/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_spec27_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:18:49,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:18:49,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:18:49,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:18:49,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:18:49,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:18:49,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:18:49,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:18:49,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:18:49,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:18:49,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:18:49,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:18:49,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:18:49,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:18:49,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:18:49,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:18:49,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:18:49,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:18:49,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:18:49,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:18:49,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:18:49,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:18:49,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:18:49,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:18:49,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:18:49,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:18:49,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:18:49,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:18:49,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:18:49,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:18:49,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:18:49,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:18:49,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:18:49,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:18:49,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:18:49,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:18:49,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:18:49,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:18:49,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:18:49,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:18:49,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:18:49,720 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 00:18:49,750 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:18:49,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:18:49,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:18:49,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:18:49,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:18:49,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:18:49,751 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:18:49,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:18:49,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:18:49,753 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:18:49,753 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:18:49,753 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:18:49,753 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:18:49,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:18:49,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:18:49,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:18:49,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:18:49,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:18:49,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:18:49,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:18:49,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:18:49,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:18:50,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:18:50,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:18:50,010 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:18:50,011 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:18:50,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product25.cil.c [2023-04-03 00:18:51,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:18:51,590 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:18:51,591 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product25.cil.c [2023-04-03 00:18:51,611 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fe83daf/64bf631e2a5d4fd897f056220e6874e7/FLAG4f02b894b [2023-04-03 00:18:51,624 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fe83daf/64bf631e2a5d4fd897f056220e6874e7 [2023-04-03 00:18:51,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:18:51,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:18:51,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:18:51,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:18:51,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:18:51,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:18:51" (1/1) ... [2023-04-03 00:18:51,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f2052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:51, skipping insertion in model container [2023-04-03 00:18:51,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:18:51" (1/1) ... [2023-04-03 00:18:51,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:18:51,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:18:52,156 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_spec27_product25.cil.c[58911,58924] [2023-04-03 00:18:52,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:18:52,195 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:18:52,269 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_spec27_product25.cil.c[58911,58924] [2023-04-03 00:18:52,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:18:52,297 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:18:52,305 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:18:52,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52 WrapperNode [2023-04-03 00:18:52,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:18:52,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:18:52,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:18:52,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:18:52,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,437 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:18:52,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:18:52,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:18:52,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:18:52,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (1/1) ... [2023-04-03 00:18:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:18:52,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:18:52,555 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 00:18:52,563 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 00:18:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:18:52,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:18:52,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:18:52,602 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:18:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:18:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:18:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:18:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:18:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:18:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:18:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:18:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:18:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:18:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:18:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-03 00:18:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:18:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:18:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:18:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:18:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:18:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:18:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:18:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:18:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:18:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:18:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:18:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:18:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:18:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:18:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:18:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:18:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:18:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:18:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:18:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:18:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:18:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:18:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:18:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:18:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:18:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:18:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:18:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:18:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:18:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:18:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:18:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:18:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:18:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:18:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:18:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:18:52,622 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:18:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:18:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:18:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:18:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:18:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:18:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:18:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:18:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:18:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:18:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:18:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:18:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:18:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:18:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:18:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:18:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:18:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:18:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:18:53,001 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:18:53,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:18:54,110 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:18:54,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:18:54,966 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:18:54,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:18:54 BoogieIcfgContainer [2023-04-03 00:18:54,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:18:54,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:18:54,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:18:54,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:18:54,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:18:51" (1/3) ... [2023-04-03 00:18:54,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a925ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:18:54, skipping insertion in model container [2023-04-03 00:18:54,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:18:52" (2/3) ... [2023-04-03 00:18:54,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a925ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:18:54, skipping insertion in model container [2023-04-03 00:18:54,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:18:54" (3/3) ... [2023-04-03 00:18:54,980 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product25.cil.c [2023-04-03 00:18:54,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:18:54,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:18:55,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:18:55,075 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;@59658645, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:18:55,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:18:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 406 states, 202 states have (on average 1.188118811881188) internal successors, (240), 210 states have internal predecessors, (240), 119 states have call successors, (119), 79 states have call predecessors, (119), 79 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:18:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-03 00:18:55,113 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:18:55,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:18:55,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:18:55,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:18:55,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1058930456, now seen corresponding path program 1 times [2023-04-03 00:18:55,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:18:55,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321687449] [2023-04-03 00:18:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:18:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:18:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:18:55,676 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 00:18:55,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:18:55,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321687449] [2023-04-03 00:18:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321687449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:18:55,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:18:55,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:18:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519608974] [2023-04-03 00:18:55,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:18:55,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:18:55,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:18:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:18:55,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:18:55,724 INFO L87 Difference]: Start difference. First operand has 406 states, 202 states have (on average 1.188118811881188) internal successors, (240), 210 states have internal predecessors, (240), 119 states have call successors, (119), 79 states have call predecessors, (119), 79 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:18:55,940 INFO L93 Difference]: Finished difference Result 594 states and 705 transitions. [2023-04-03 00:18:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:18:55,943 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 150 [2023-04-03 00:18:55,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:18:55,956 INFO L225 Difference]: With dead ends: 594 [2023-04-03 00:18:55,956 INFO L226 Difference]: Without dead ends: 379 [2023-04-03 00:18:55,961 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 00:18:55,964 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:18:55,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 408 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:18:55,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-04-03 00:18:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2023-04-03 00:18:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 189 states have (on average 1.1746031746031746) internal successors, (222), 194 states have internal predecessors, (222), 114 states have call successors, (114), 79 states have call predecessors, (114), 75 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:18:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 445 transitions. [2023-04-03 00:18:56,078 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 445 transitions. Word has length 150 [2023-04-03 00:18:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:18:56,080 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 445 transitions. [2023-04-03 00:18:56,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 445 transitions. [2023-04-03 00:18:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 00:18:56,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:18:56,085 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, 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 00:18:56,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:18:56,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:18:56,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:18:56,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1263323813, now seen corresponding path program 1 times [2023-04-03 00:18:56,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:18:56,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251274013] [2023-04-03 00:18:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:18:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:18:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:18:56,507 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 00:18:56,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:18:56,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251274013] [2023-04-03 00:18:56,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251274013] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:18:56,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:18:56,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:18:56,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343640752] [2023-04-03 00:18:56,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:18:56,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:18:56,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:18:56,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:18:56,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:18:56,513 INFO L87 Difference]: Start difference. First operand 379 states and 445 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:56,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:18:56,673 INFO L93 Difference]: Finished difference Result 579 states and 670 transitions. [2023-04-03 00:18:56,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:18:56,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 151 [2023-04-03 00:18:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:18:56,687 INFO L225 Difference]: With dead ends: 579 [2023-04-03 00:18:56,687 INFO L226 Difference]: Without dead ends: 381 [2023-04-03 00:18:56,693 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 00:18:56,694 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:18:56,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 796 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:18:56,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-04-03 00:18:56,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2023-04-03 00:18:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 191 states have (on average 1.1727748691099475) internal successors, (224), 196 states have internal predecessors, (224), 114 states have call successors, (114), 79 states have call predecessors, (114), 75 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:18:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 447 transitions. [2023-04-03 00:18:56,748 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 447 transitions. Word has length 151 [2023-04-03 00:18:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:18:56,749 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 447 transitions. [2023-04-03 00:18:56,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 447 transitions. [2023-04-03 00:18:56,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-03 00:18:56,755 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:18:56,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:18:56,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:18:56,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:18:56,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:18:56,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1388129635, now seen corresponding path program 1 times [2023-04-03 00:18:56,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:18:56,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106646114] [2023-04-03 00:18:56,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:18:56,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:18:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:18:56,971 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 00:18:56,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:18:56,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106646114] [2023-04-03 00:18:56,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106646114] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:18:56,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:18:56,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:18:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695598359] [2023-04-03 00:18:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:18:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:18:56,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:18:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:18:56,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:18:56,977 INFO L87 Difference]: Start difference. First operand 381 states and 447 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:57,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:18:57,112 INFO L93 Difference]: Finished difference Result 746 states and 904 transitions. [2023-04-03 00:18:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:18:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 156 [2023-04-03 00:18:57,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:18:57,117 INFO L225 Difference]: With dead ends: 746 [2023-04-03 00:18:57,117 INFO L226 Difference]: Without dead ends: 423 [2023-04-03 00:18:57,121 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 00:18:57,124 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 53 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:18:57,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 800 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:18:57,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-04-03 00:18:57,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 422. [2023-04-03 00:18:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 223 states have (on average 1.242152466367713) internal successors, (277), 228 states have internal predecessors, (277), 123 states have call successors, (123), 79 states have call predecessors, (123), 75 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-04-03 00:18:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 518 transitions. [2023-04-03 00:18:57,168 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 518 transitions. Word has length 156 [2023-04-03 00:18:57,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:18:57,168 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 518 transitions. [2023-04-03 00:18:57,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:18:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 518 transitions. [2023-04-03 00:18:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-03 00:18:57,175 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:18:57,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:18:57,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:18:57,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:18:57,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:18:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash 893082464, now seen corresponding path program 1 times [2023-04-03 00:18:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:18:57,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577093748] [2023-04-03 00:18:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:18:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:18:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:18:57,501 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 00:18:57,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:18:57,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577093748] [2023-04-03 00:18:57,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577093748] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:18:57,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937106277] [2023-04-03 00:18:57,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:18:57,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:18:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:18:57,513 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 00:18:57,517 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 00:18:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:18:58,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:18:58,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:18:58,124 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 00:18:58,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:18:58,290 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 00:18:58,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937106277] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:18:58,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [806254600] [2023-04-03 00:18:58,313 INFO L159 IcfgInterpreter]: Started Sifa with 146 locations of interest [2023-04-03 00:18:58,313 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:18:58,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:18:58,320 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:18:58,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:19:03,268 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:19:03,931 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 351 for LOIs [2023-04-03 00:19:10,834 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:19:13,569 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:19:15,094 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:19:15,852 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:19:17,302 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:19:18,353 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:23:01,473 WARN L223 SmtUtils]: Spent 3.69m 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 00:23:01,631 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs