/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:13:19,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:13:19,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:13:19,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:13:19,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:13:19,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:13:19,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:13:19,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:13:19,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:13:19,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:13:19,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:13:19,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:13:19,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:13:19,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:13:19,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:13:19,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:13:19,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:13:19,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:13:19,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:13:19,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:13:19,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:13:19,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:13:19,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:13:19,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:13:19,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:13:19,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:13:19,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:13:19,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:13:19,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:13:19,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:13:19,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:13:19,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:13:19,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:13:19,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:13:19,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:13:19,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:13:19,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:13:19,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:13:19,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:13:19,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:13:19,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:13:19,491 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 00:13:19,507 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:13:19,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:13:19,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:13:19,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:13:19,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:13:19,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:13:19,508 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:13:19,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:13:19,509 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:13:19,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:13:19,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:13:19,510 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:13:19,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:13:19,510 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:13:19,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:13:19,511 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:13:19,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:13:19,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:13:19,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:13:19,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:13:19,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:13:19,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:13:19,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:13:19,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:13:19,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:13:19,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:13:19,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:13:19,716 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:13:19,717 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:13:19,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2023-04-03 00:13:20,666 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:13:20,925 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:13:20,925 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2023-04-03 00:13:20,942 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a1d5339/441009dde5a242048a88e84cfda811bf/FLAGed2027059 [2023-04-03 00:13:20,953 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11a1d5339/441009dde5a242048a88e84cfda811bf [2023-04-03 00:13:20,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:13:20,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:13:20,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:13:20,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:13:20,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:13:20,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:13:20" (1/1) ... [2023-04-03 00:13:20,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c86a9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:20, skipping insertion in model container [2023-04-03 00:13:20,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:13:20" (1/1) ... [2023-04-03 00:13:20,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:13:21,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:13:21,414 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_spec1_product22.cil.c[33239,33252] [2023-04-03 00:13:21,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:13:21,477 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:13:21,562 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_spec1_product22.cil.c[33239,33252] [2023-04-03 00:13:21,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:13:21,640 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:13:21,645 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:13:21,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21 WrapperNode [2023-04-03 00:13:21,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:13:21,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:13:21,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:13:21,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:13:21,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,746 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:13:21,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:13:21,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:13:21,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:13:21,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (1/1) ... [2023-04-03 00:13:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:13:21,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:13:21,789 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 00:13:21,804 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 00:13:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:13:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:13:21,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:13:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:13:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:13:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:13:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:13:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:13:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:13:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:13:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:13:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:13:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:13:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:13:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:13:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:13:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:13:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:13:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:13:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:13:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:13:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:13:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:13:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:13:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:13:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:13:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:13:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:13:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:13:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:13:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:13:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:13:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:13:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:13:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:13:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:13:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:13:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:13:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:13:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:13:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:13:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:13:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:13:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:13:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:13:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:13:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:13:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:13:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:13:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:13:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:13:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:13:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:13:22,238 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:13:22,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:13:23,232 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:13:23,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:13:23,858 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:13:23,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:13:23 BoogieIcfgContainer [2023-04-03 00:13:23,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:13:23,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:13:23,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:13:23,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:13:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:13:20" (1/3) ... [2023-04-03 00:13:23,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e7f832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:13:23, skipping insertion in model container [2023-04-03 00:13:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:13:21" (2/3) ... [2023-04-03 00:13:23,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53e7f832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:13:23, skipping insertion in model container [2023-04-03 00:13:23,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:13:23" (3/3) ... [2023-04-03 00:13:23,874 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2023-04-03 00:13:23,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:13:23,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:13:23,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:13:23,956 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;@5c7162b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:13:23,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:13:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 195 states have internal predecessors, (224), 108 states have call successors, (108), 72 states have call predecessors, (108), 72 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-03 00:13:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-03 00:13:23,985 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:13:23,985 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] [2023-04-03 00:13:23,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:13:23,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:13:23,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1740318570, now seen corresponding path program 1 times [2023-04-03 00:13:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:13:23,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464774810] [2023-04-03 00:13:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:13:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:13:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:13:24,386 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 00:13:24,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:13:24,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464774810] [2023-04-03 00:13:24,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464774810] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:13:24,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:13:24,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:13:24,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141929424] [2023-04-03 00:13:24,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:13:24,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:13:24,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:13:24,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:13:24,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:13:24,415 INFO L87 Difference]: Start difference. First operand has 372 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 195 states have internal predecessors, (224), 108 states have call successors, (108), 72 states have call predecessors, (108), 72 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:13:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:13:24,548 INFO L93 Difference]: Finished difference Result 545 states and 644 transitions. [2023-04-03 00:13:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:13:24,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-03 00:13:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:13:24,570 INFO L225 Difference]: With dead ends: 545 [2023-04-03 00:13:24,570 INFO L226 Difference]: Without dead ends: 351 [2023-04-03 00:13:24,577 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 00:13:24,581 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:13:24,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 384 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:13:24,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-04-03 00:13:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2023-04-03 00:13:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 178 states have (on average 1.1853932584269662) internal successors, (211), 183 states have internal predecessors, (211), 104 states have call successors, (104), 72 states have call predecessors, (104), 68 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-03 00:13:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 414 transitions. [2023-04-03 00:13:24,647 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 414 transitions. Word has length 114 [2023-04-03 00:13:24,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:13:24,648 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 414 transitions. [2023-04-03 00:13:24,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:13:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 414 transitions. [2023-04-03 00:13:24,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-03 00:13:24,651 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:13:24,651 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] [2023-04-03 00:13:24,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:13:24,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:13:24,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:13:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash -776012556, now seen corresponding path program 1 times [2023-04-03 00:13:24,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:13:24,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688765901] [2023-04-03 00:13:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:13:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:13:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:13:24,832 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 00:13:24,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:13:24,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688765901] [2023-04-03 00:13:24,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688765901] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:13:24,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:13:24,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:13:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346748072] [2023-04-03 00:13:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:13:24,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:13:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:13:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:13:24,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:13:24,835 INFO L87 Difference]: Start difference. First operand 351 states and 414 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:13:24,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:13:24,904 INFO L93 Difference]: Finished difference Result 530 states and 616 transitions. [2023-04-03 00:13:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:13:24,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-03 00:13:24,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:13:24,907 INFO L225 Difference]: With dead ends: 530 [2023-04-03 00:13:24,907 INFO L226 Difference]: Without dead ends: 353 [2023-04-03 00:13:24,908 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 00:13:24,908 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 0 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:13:24,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 748 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:13:24,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-04-03 00:13:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2023-04-03 00:13:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 180 states have (on average 1.1833333333333333) internal successors, (213), 185 states have internal predecessors, (213), 104 states have call successors, (104), 72 states have call predecessors, (104), 68 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-03 00:13:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 416 transitions. [2023-04-03 00:13:24,934 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 416 transitions. Word has length 115 [2023-04-03 00:13:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:13:24,935 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 416 transitions. [2023-04-03 00:13:24,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-03 00:13:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 416 transitions. [2023-04-03 00:13:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:13:24,941 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:13:24,941 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] [2023-04-03 00:13:24,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:13:24,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:13:24,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:13:24,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1395076275, now seen corresponding path program 1 times [2023-04-03 00:13:24,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:13:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983733770] [2023-04-03 00:13:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:13:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:13:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:13:25,134 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 00:13:25,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:13:25,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983733770] [2023-04-03 00:13:25,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983733770] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:13:25,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:13:25,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:13:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151143811] [2023-04-03 00:13:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:13:25,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:13:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:13:25,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:13:25,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:13:25,137 INFO L87 Difference]: Start difference. First operand 353 states and 416 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:13:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:13:25,222 INFO L93 Difference]: Finished difference Result 690 states and 842 transitions. [2023-04-03 00:13:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:13:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 127 [2023-04-03 00:13:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:13:25,225 INFO L225 Difference]: With dead ends: 690 [2023-04-03 00:13:25,225 INFO L226 Difference]: Without dead ends: 395 [2023-04-03 00:13:25,226 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 00:13:25,227 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 53 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:13:25,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 750 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:13:25,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-04-03 00:13:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2023-04-03 00:13:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 212 states have (on average 1.2547169811320755) internal successors, (266), 217 states have internal predecessors, (266), 113 states have call successors, (113), 72 states have call predecessors, (113), 68 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-03 00:13:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2023-04-03 00:13:25,241 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 127 [2023-04-03 00:13:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:13:25,241 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2023-04-03 00:13:25,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:13:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2023-04-03 00:13:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:13:25,243 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:13:25,243 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] [2023-04-03 00:13:25,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:13:25,244 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:13:25,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:13:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1668675088, now seen corresponding path program 1 times [2023-04-03 00:13:25,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:13:25,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182732295] [2023-04-03 00:13:25,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:13:25,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:13:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:13:25,447 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 00:13:25,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:13:25,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182732295] [2023-04-03 00:13:25,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182732295] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:13:25,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837166992] [2023-04-03 00:13:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:13:25,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:13:25,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:13:25,451 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 00:13:25,452 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 00:13:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:13:25,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:13:25,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:13:25,970 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 00:13:25,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:13:26,121 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 00:13:26,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837166992] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:13:26,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [20792824] [2023-04-03 00:13:26,142 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:13:26,143 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:13:26,157 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:13:26,161 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:13:26,162 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:13:29,866 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:13:30,587 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 317 for LOIs [2023-04-03 00:13:35,596 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:13:38,011 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:13:39,439 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:13:40,182 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:13:41,588 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:13:42,436 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:17:23,986 WARN L223 SmtUtils]: Spent 3.66m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:17:24,121 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs