/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:42:05,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:42:05,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:42:05,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:42:05,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:42:05,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:42:05,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:42:05,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:42:05,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:42:05,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:42:05,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:42:05,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:42:05,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:42:05,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:42:05,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:42:05,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:42:05,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:42:05,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:42:05,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:42:05,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:42:05,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:42:05,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:42:05,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:42:05,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:42:05,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:42:05,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:42:05,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:42:05,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:42:05,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:42:05,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:42:05,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:42:05,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:42:05,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:42:05,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:42:05,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:42:05,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:42:05,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:42:05,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:42:05,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:42:05,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:42:05,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:42:05,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:42:05,709 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:42:05,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:42:05,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:42:05,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:42:05,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:42:05,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:42:05,711 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:42:05,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:42:05,711 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:42:05,712 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:42:05,712 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:42:05,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:42:05,712 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:42:05,713 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:42:05,713 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:42:05,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:42:05,713 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:42:05,713 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:42:05,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:42:05,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:42:05,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:42:05,715 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:42:05,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:42:05,715 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:42:05,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:42:05,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:42:05,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:42:05,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:42:05,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:42:05,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:42:05,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:42:05,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:42:06,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:42:06,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:42:06,011 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:42:06,011 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:42:06,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2023-04-03 00:42:07,200 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:42:07,531 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:42:07,531 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2023-04-03 00:42:07,548 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b06f5da/f67633d33676442280de4f539df737e7/FLAG12e8edc73 [2023-04-03 00:42:07,565 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b06f5da/f67633d33676442280de4f539df737e7 [2023-04-03 00:42:07,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:42:07,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:42:07,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:42:07,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:42:07,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:42:07,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:42:07" (1/1) ... [2023-04-03 00:42:07,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626072c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:07, skipping insertion in model container [2023-04-03 00:42:07,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:42:07" (1/1) ... [2023-04-03 00:42:07,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:42:07,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:42:07,999 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c[14691,14704] [2023-04-03 00:42:08,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:42:08,271 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:42:08,309 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c[14691,14704] [2023-04-03 00:42:08,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:42:08,398 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:42:08,405 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:42:08,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08 WrapperNode [2023-04-03 00:42:08,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:42:08,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:42:08,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:42:08,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:42:08,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:42:08,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:42:08,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:42:08,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:42:08,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (1/1) ... [2023-04-03 00:42:08,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:42:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:42:08,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:42:08,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:42:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:42:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:42:08,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:42:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:42:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:42:08,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:42:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:42:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:42:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:42:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:42:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:42:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:42:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:42:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:42:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:42:08,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:42:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:42:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:42:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:42:08,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:42:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:42:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:42:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:42:08,683 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:42:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:42:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:42:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:42:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:42:08,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:42:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:42:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:42:08,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:42:08,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:42:08,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:42:08,688 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:42:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:42:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:42:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:42:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:42:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:42:08,695 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:42:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:42:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:42:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:42:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:42:09,052 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:42:09,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:42:10,116 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:42:10,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:42:10,905 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:42:10,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:42:10 BoogieIcfgContainer [2023-04-03 00:42:10,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:42:10,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:42:10,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:42:10,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:42:10,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:42:07" (1/3) ... [2023-04-03 00:42:10,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c13a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:42:10, skipping insertion in model container [2023-04-03 00:42:10,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:08" (2/3) ... [2023-04-03 00:42:10,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c13a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:42:10, skipping insertion in model container [2023-04-03 00:42:10,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:42:10" (3/3) ... [2023-04-03 00:42:10,918 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product27.cil.c [2023-04-03 00:42:10,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:42:10,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:42:11,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:42:11,016 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56b7dcf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:42:11,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:42:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 209 states have (on average 1.1818181818181819) internal successors, (247), 218 states have internal predecessors, (247), 125 states have call successors, (125), 84 states have call predecessors, (125), 84 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-04-03 00:42:11,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:42:11,051 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:11,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:42:11,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:11,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:11,060 INFO L85 PathProgramCache]: Analyzing trace with hash -666841851, now seen corresponding path program 1 times [2023-04-03 00:42:11,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:11,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836172779] [2023-04-03 00:42:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:11,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:11,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:11,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836172779] [2023-04-03 00:42:11,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836172779] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:11,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:11,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:42:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686085705] [2023-04-03 00:42:11,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:11,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:42:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:11,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:42:11,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:42:11,731 INFO L87 Difference]: Start difference. First operand has 424 states, 209 states have (on average 1.1818181818181819) internal successors, (247), 218 states have internal predecessors, (247), 125 states have call successors, (125), 84 states have call predecessors, (125), 84 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:42:11,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:11,905 INFO L93 Difference]: Finished difference Result 623 states and 734 transitions. [2023-04-03 00:42:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:42:11,908 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 128 [2023-04-03 00:42:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:11,926 INFO L225 Difference]: With dead ends: 623 [2023-04-03 00:42:11,926 INFO L226 Difference]: Without dead ends: 397 [2023-04-03 00:42:11,931 INFO L412 NwaCegarLoop]: 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 [2023-04-03 00:42:11,934 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:42:11,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-04-03 00:42:11,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2023-04-03 00:42:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 196 states have (on average 1.1683673469387754) internal successors, (229), 202 states have internal predecessors, (229), 120 states have call successors, (120), 84 states have call predecessors, (120), 80 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2023-04-03 00:42:11,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 464 transitions. [2023-04-03 00:42:11,998 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 464 transitions. Word has length 128 [2023-04-03 00:42:11,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:11,999 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 464 transitions. [2023-04-03 00:42:12,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:42:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 464 transitions. [2023-04-03 00:42:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 00:42:12,007 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:12,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:42:12,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:42:12,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:12,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:12,008 INFO L85 PathProgramCache]: Analyzing trace with hash -888258062, now seen corresponding path program 1 times [2023-04-03 00:42:12,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:12,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92299155] [2023-04-03 00:42:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:12,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:12,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:12,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92299155] [2023-04-03 00:42:12,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92299155] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:12,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:12,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:42:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101912662] [2023-04-03 00:42:12,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:12,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:42:12,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:12,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:42:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:42:12,322 INFO L87 Difference]: Start difference. First operand 397 states and 464 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:42:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:12,441 INFO L93 Difference]: Finished difference Result 608 states and 701 transitions. [2023-04-03 00:42:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:42:12,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 129 [2023-04-03 00:42:12,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:12,445 INFO L225 Difference]: With dead ends: 608 [2023-04-03 00:42:12,445 INFO L226 Difference]: Without dead ends: 399 [2023-04-03 00:42:12,447 INFO L412 NwaCegarLoop]: 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 [2023-04-03 00:42:12,448 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 0 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:42:12,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 830 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-04-03 00:42:12,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2023-04-03 00:42:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 198 states have (on average 1.1666666666666667) internal successors, (231), 204 states have internal predecessors, (231), 120 states have call successors, (120), 84 states have call predecessors, (120), 80 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2023-04-03 00:42:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 466 transitions. [2023-04-03 00:42:12,472 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 466 transitions. Word has length 129 [2023-04-03 00:42:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:12,473 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 466 transitions. [2023-04-03 00:42:12,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:42:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 466 transitions. [2023-04-03 00:42:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 00:42:12,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:12,476 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:42:12,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:42:12,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:12,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:12,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1974782380, now seen corresponding path program 1 times [2023-04-03 00:42:12,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:12,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116137850] [2023-04-03 00:42:12,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:12,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:12,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116137850] [2023-04-03 00:42:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116137850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:12,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:42:12,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789648358] [2023-04-03 00:42:12,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:12,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:42:12,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:42:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:42:12,634 INFO L87 Difference]: Start difference. First operand 399 states and 466 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:42:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:12,752 INFO L93 Difference]: Finished difference Result 784 states and 945 transitions. [2023-04-03 00:42:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:42:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 141 [2023-04-03 00:42:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:12,755 INFO L225 Difference]: With dead ends: 784 [2023-04-03 00:42:12,756 INFO L226 Difference]: Without dead ends: 443 [2023-04-03 00:42:12,757 INFO L412 NwaCegarLoop]: 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 [2023-04-03 00:42:12,758 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 54 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:42:12,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 828 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-04-03 00:42:12,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2023-04-03 00:42:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 231 states have (on average 1.2337662337662338) internal successors, (285), 237 states have internal predecessors, (285), 130 states have call successors, (130), 84 states have call predecessors, (130), 80 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-04-03 00:42:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 540 transitions. [2023-04-03 00:42:12,794 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 540 transitions. Word has length 141 [2023-04-03 00:42:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:12,794 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 540 transitions. [2023-04-03 00:42:12,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:42:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 540 transitions. [2023-04-03 00:42:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 00:42:12,804 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:12,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:42:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:42:12,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:12,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash -322582193, now seen corresponding path program 1 times [2023-04-03 00:42:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:12,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171202242] [2023-04-03 00:42:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:12,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:13,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171202242] [2023-04-03 00:42:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171202242] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:42:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338041237] [2023-04-03 00:42:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:13,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:42:13,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:42:13,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:42:13,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:42:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:13,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:42:13,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:42:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:13,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:42:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:42:13,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338041237] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:42:13,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [206680650] [2023-04-03 00:42:14,017 INFO L159 IcfgInterpreter]: Started Sifa with 131 locations of interest [2023-04-03 00:42:14,017 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:42:14,021 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:42:14,025 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:42:14,025 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:42:18,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:42:19,404 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 357 for LOIs [2023-04-03 00:42:27,030 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:42:30,088 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:42:31,794 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:42:32,589 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:42:34,340 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:42:35,342 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:46:21,000 WARN L223 SmtUtils]: Spent 3.73m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:46:21,168 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs