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_spec27_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:24,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:24,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:24,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:24,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:24,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:24,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:24,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:24,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:24,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:24,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:24,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:24,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:24,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:24,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:24,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:24,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:24,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:24,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:24,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:24,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:24,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:24,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:24,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:24,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:24,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:24,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:24,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:24,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:24,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:24,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:24,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:24,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:24,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:24,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:24,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:24,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:24,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:24,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:24,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:24,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:24,560 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 02:52:24,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:24,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:24,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:24,576 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:24,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:24,576 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:24,577 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:24,577 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:24,577 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:24,577 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:24,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:24,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:24,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:24,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:24,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:24,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:24,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:24,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:24,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:24,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:24,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:24,580 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:24,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:24,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:24,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:24,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:24,581 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:24,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:24,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:24,582 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:24,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:24,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:24,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:24,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:24,629 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:24,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-10-03 02:52:24,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b17afdd8/47e983c4d83f4f919e4d9df01579ca86/FLAG282da8814 [2019-10-03 02:52:25,383 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:25,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-10-03 02:52:25,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b17afdd8/47e983c4d83f4f919e4d9df01579ca86/FLAG282da8814 [2019-10-03 02:52:25,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b17afdd8/47e983c4d83f4f919e4d9df01579ca86 [2019-10-03 02:52:25,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:25,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:25,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:25,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:25,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:25,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:25" (1/1) ... [2019-10-03 02:52:25,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:25, skipping insertion in model container [2019-10-03 02:52:25,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:25" (1/1) ... [2019-10-03 02:52:25,618 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:25,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:26,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:26,464 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:26,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:26,741 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:26,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26 WrapperNode [2019-10-03 02:52:26,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:26,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:26,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:26,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:26,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:26,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (1/1) ... [2019-10-03 02:52:27,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:27,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:27,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:27,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:27,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (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 02:52:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:29,314 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:29,315 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:29,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:29 BoogieIcfgContainer [2019-10-03 02:52:29,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:29,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:29,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:29,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:25" (1/3) ... [2019-10-03 02:52:29,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4110b63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:29, skipping insertion in model container [2019-10-03 02:52:29,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:26" (2/3) ... [2019-10-03 02:52:29,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4110b63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:29, skipping insertion in model container [2019-10-03 02:52:29,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:29" (3/3) ... [2019-10-03 02:52:29,329 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2019-10-03 02:52:29,340 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:29,354 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:29,373 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:29,410 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:29,410 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:29,410 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:29,411 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:29,411 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:29,411 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:29,414 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:29,415 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-03 02:52:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-03 02:52:29,502 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:29,507 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 02:52:29,512 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:29,520 INFO L82 PathProgramCache]: Analyzing trace with hash -646444410, now seen corresponding path program 1 times [2019-10-03 02:52:29,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:29,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:29,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:29,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:29,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:30,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:30,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:30,317 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:30,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:30,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:30,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:30,340 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 2 states. [2019-10-03 02:52:30,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:30,395 INFO L93 Difference]: Finished difference Result 561 states and 768 transitions. [2019-10-03 02:52:30,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:30,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 218 [2019-10-03 02:52:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:30,420 INFO L225 Difference]: With dead ends: 561 [2019-10-03 02:52:30,420 INFO L226 Difference]: Without dead ends: 552 [2019-10-03 02:52:30,422 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 02:52:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-10-03 02:52:30,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2019-10-03 02:52:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-10-03 02:52:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 757 transitions. [2019-10-03 02:52:30,512 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 757 transitions. Word has length 218 [2019-10-03 02:52:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:30,514 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 757 transitions. [2019-10-03 02:52:30,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 757 transitions. [2019-10-03 02:52:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-03 02:52:30,522 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:30,526 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 02:52:30,527 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:30,528 INFO L82 PathProgramCache]: Analyzing trace with hash -884240524, now seen corresponding path program 1 times [2019-10-03 02:52:30,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:30,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:30,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,533 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:30,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:30,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:30,804 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:30,807 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:30,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:30,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:30,808 INFO L87 Difference]: Start difference. First operand 552 states and 757 transitions. Second operand 3 states. [2019-10-03 02:52:30,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:30,856 INFO L93 Difference]: Finished difference Result 555 states and 760 transitions. [2019-10-03 02:52:30,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:30,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-03 02:52:30,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:30,862 INFO L225 Difference]: With dead ends: 555 [2019-10-03 02:52:30,862 INFO L226 Difference]: Without dead ends: 555 [2019-10-03 02:52:30,863 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 02:52:30,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-10-03 02:52:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2019-10-03 02:52:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-10-03 02:52:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 759 transitions. [2019-10-03 02:52:30,938 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 759 transitions. Word has length 219 [2019-10-03 02:52:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:30,939 INFO L475 AbstractCegarLoop]: Abstraction has 554 states and 759 transitions. [2019-10-03 02:52:30,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 759 transitions. [2019-10-03 02:52:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-03 02:52:30,944 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:30,945 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 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 02:52:30,945 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:30,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:30,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1184170792, now seen corresponding path program 1 times [2019-10-03 02:52:30,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:30,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:30,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:30,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:31,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:31,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:31,216 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:31,221 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:31,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:31,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:31,222 INFO L87 Difference]: Start difference. First operand 554 states and 759 transitions. Second operand 3 states. [2019-10-03 02:52:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:31,271 INFO L93 Difference]: Finished difference Result 595 states and 829 transitions. [2019-10-03 02:52:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:31,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-03 02:52:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:31,280 INFO L225 Difference]: With dead ends: 595 [2019-10-03 02:52:31,281 INFO L226 Difference]: Without dead ends: 595 [2019-10-03 02:52:31,283 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 02:52:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-10-03 02:52:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2019-10-03 02:52:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-03 02:52:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 828 transitions. [2019-10-03 02:52:31,319 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 828 transitions. Word has length 225 [2019-10-03 02:52:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:31,322 INFO L475 AbstractCegarLoop]: Abstraction has 594 states and 828 transitions. [2019-10-03 02:52:31,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 828 transitions. [2019-10-03 02:52:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-03 02:52:31,335 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:31,335 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 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 02:52:31,335 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:31,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:31,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1208160604, now seen corresponding path program 1 times [2019-10-03 02:52:31,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:31,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:31,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:31,343 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:52:31,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:31,914 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:31,915 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2019-10-03 02:52:31,919 INFO L207 CegarAbsIntRunner]: [44], [46], [49], [51], [53], [56], [80], [83], [93], [124], [127], [137], [138], [167], [170], [171], [172], [174], [284], [286], [290], [293], [294], [295], [298], [304], [326], [341], [344], [353], [354], [356], [359], [363], [364], [366], [367], [370], [380], [381], [418], [420], [432], [454], [474], [643], [645], [646], [647], [653], [656], [662], [683], [686], [700], [729], [730], [741], [743], [756], [758], [761], [765], [789], [793], [796], [804], [807], [832], [834], [859], [865], [874], [878], [880], [882], [885], [892], [899], [902], [1038], [1040], [1057], [1186], [1258], [1262], [1263], [1266], [1272], [1273], [1276], [1277], [1280], [1283], [1314], [1315], [1317], [1319], [1326], [1332], [1334], [1417], [1420], [1426], [1447], [1450], [1464], [1470], [1473], [1482], [1676], [1678], [1680], [1682], [1683], [1695], [1696], [1697], [1698], [1699], [1700], [1701], [1719], [1729], [1730], [1731], [1732], [1733], [1734], [1737], [1738], [1739], [1740], [1741], [1743], [1744], [1745], [1746], [1753], [1759], [1760], [1763], [1764], [1765], [1777], [1778], [1791], [1792], [1793], [1811], [1812], [1825], [1826], [1827], [1829], [1830], [1835], [1836], [1837], [1838], [1839], [1840], [1841], [1842], [1843], [1845], [1846], [1847], [1848], [1857], [1858], [1869], [1891], [1893], [1894], [1911], [1913], [1914], [1915], [1917], [1918], [1919], [1920], [1921], [1922], [1923], [1924], [1929], [1931], [1932], [1933], [1953], [1954], [1955], [1956], [1957], [1958], [1959], [1960], [1961] [2019-10-03 02:52:31,999 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:32,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:32,194 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:32,196 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 193 root evaluator evaluations with a maximum evaluation depth of 0. Performed 193 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-10-03 02:52:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:32,201 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:32,323 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:32,323 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:32,339 INFO L420 sIntCurrentIteration]: We unified 225 AI predicates to 225 [2019-10-03 02:52:32,339 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:32,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:32,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:32,340 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:32,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:32,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:32,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:32,342 INFO L87 Difference]: Start difference. First operand 594 states and 828 transitions. Second operand 2 states. [2019-10-03 02:52:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:32,342 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:32,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:32,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 226 [2019-10-03 02:52:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:32,343 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:32,344 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:32,344 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 225 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 02:52:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:32,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-10-03 02:52:32,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:32,347 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:32,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:32,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:32,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:32 BoogieIcfgContainer [2019-10-03 02:52:32,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:32,356 INFO L168 Benchmark]: Toolchain (without parser) took 6754.51 ms. Allocated memory was 133.2 MB in the beginning and 336.1 MB in the end (delta: 202.9 MB). Free memory was 85.8 MB in the beginning and 234.5 MB in the end (delta: -148.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,357 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.17 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.6 MB in the beginning and 131.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,361 INFO L168 Benchmark]: Boogie Preprocessor took 265.39 ms. Allocated memory is still 201.9 MB. Free memory was 131.5 MB in the beginning and 122.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,363 INFO L168 Benchmark]: RCFGBuilder took 2309.28 ms. Allocated memory was 201.9 MB in the beginning and 264.2 MB in the end (delta: 62.4 MB). Free memory was 122.3 MB in the beginning and 147.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:32,365 INFO L168 Benchmark]: TraceAbstraction took 3033.07 ms. Allocated memory was 264.2 MB in the beginning and 336.1 MB in the end (delta: 71.8 MB). Free memory was 147.7 MB in the beginning and 234.5 MB in the end (delta: -86.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:52:32,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1141.17 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.6 MB in the beginning and 131.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 265.39 ms. Allocated memory is still 201.9 MB. Free memory was 131.5 MB in the beginning and 122.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2309.28 ms. Allocated memory was 201.9 MB in the beginning and 264.2 MB in the end (delta: 62.4 MB). Free memory was 122.3 MB in the beginning and 147.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3033.07 ms. Allocated memory was 264.2 MB in the beginning and 336.1 MB in the end (delta: 71.8 MB). Free memory was 147.7 MB in the beginning and 234.5 MB in the end (delta: -86.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1556]: 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 115 procedures, 805 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2291 SDtfs, 53 SDslu, 1503 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=604occurred in iteration=0, 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, 2.1777777777777776 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 888 NumberOfCodeBlocks, 888 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 241953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 164/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...