/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:47:47,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:47:47,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:47:47,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:47:47,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:47:47,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:47:47,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:47:47,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:47:47,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:47:47,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:47:47,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:47:47,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:47:47,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:47:47,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:47:47,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:47:47,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:47:47,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:47:47,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:47:47,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:47:47,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:47:47,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:47:47,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:47:47,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:47:47,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:47:47,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:47:47,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:47:47,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:47:47,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:47:47,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:47:47,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:47:47,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:47:47,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:47:47,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:47:47,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:47:47,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:47:47,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:47:47,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:47:47,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:47:47,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:47:47,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:47:47,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:47:47,306 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 [2023-03-31 23:47:47,339 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:47:47,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:47:47,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:47:47,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:47:47,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:47:47,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:47:47,341 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:47:47,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:47:47,341 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:47:47,341 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:47:47,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:47:47,342 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:47:47,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:47:47,343 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:47:47,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:47:47,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:47:47,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:47:47,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:47:47,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:47:47,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:47:47,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:47:47,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:47:47,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:47:47,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:47:47,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:47:47,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:47:47,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:47:47,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:47:47,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:47:47,588 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:47:47,588 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:47:47,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-03-31 23:47:48,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:47:49,022 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:47:49,023 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2023-03-31 23:47:49,042 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9590fa199/897242820c8d40b3b7100b36cd135256/FLAG6d0e2d5c0 [2023-03-31 23:47:49,052 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9590fa199/897242820c8d40b3b7100b36cd135256 [2023-03-31 23:47:49,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:47:49,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:47:49,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:47:49,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:47:49,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:47:49,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a70e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49, skipping insertion in model container [2023-03-31 23:47:49,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:47:49,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:47:49,557 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2023-03-31 23:47:49,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:47:49,617 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:47:49,701 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c[37206,37219] [2023-03-31 23:47:49,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:47:49,766 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:47:49,772 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:47:49,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49 WrapperNode [2023-03-31 23:47:49,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:47:49,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:47:49,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:47:49,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:47:49,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:50,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:47:50,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:47:50,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:47:50,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:47:50,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:50,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:47:50,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:47:50,052 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) [2023-03-31 23:47:50,081 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 [2023-03-31 23:47:50,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:47:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:47:50,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:47:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:47:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:47:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:47:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:47:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 23:47:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:47:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:47:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:47:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:47:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 23:47:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:47:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:47:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:47:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:47:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:47:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:47:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:47:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:47:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:47:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:47:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:47:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:47:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:47:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:47:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:47:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:47:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:47:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:47:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:47:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:47:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:47:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:47:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:47:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:47:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:47:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:47:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:47:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:47:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 23:47:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:47:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:47:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:47:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:47:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:47:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:47:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:47:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:47:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:47:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:47:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:47:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:47:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:47:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:47:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 23:47:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:47:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:47:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:47:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:47:50,471 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:47:50,474 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:47:51,471 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:47:52,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:47:52,170 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:47:52,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:47:52 BoogieIcfgContainer [2023-03-31 23:47:52,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:47:52,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:47:52,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:47:52,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:47:52,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:47:49" (1/3) ... [2023-03-31 23:47:52,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3038671e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:47:52, skipping insertion in model container [2023-03-31 23:47:52,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49" (2/3) ... [2023-03-31 23:47:52,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3038671e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:47:52, skipping insertion in model container [2023-03-31 23:47:52,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:47:52" (3/3) ... [2023-03-31 23:47:52,186 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2023-03-31 23:47:52,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:47:52,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:47:52,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:47:52,279 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;@52c35b4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:47:52,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:47:52,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 178 states have (on average 1.196629213483146) internal successors, (213), 185 states have internal predecessors, (213), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-03-31 23:47:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-03-31 23:47:52,312 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:52,313 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] [2023-03-31 23:47:52,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:52,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1807828695, now seen corresponding path program 1 times [2023-03-31 23:47:52,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:52,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895585247] [2023-03-31 23:47:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:52,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:52,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:52,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895585247] [2023-03-31 23:47:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895585247] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:52,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:47:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916885520] [2023-03-31 23:47:52,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:52,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:47:52,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:52,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:47:52,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:47:52,889 INFO L87 Difference]: Start difference. First operand has 355 states, 178 states have (on average 1.196629213483146) internal successors, (213), 185 states have internal predecessors, (213), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:53,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:53,040 INFO L93 Difference]: Finished difference Result 518 states and 603 transitions. [2023-03-31 23:47:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:47:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-03-31 23:47:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:53,064 INFO L225 Difference]: With dead ends: 518 [2023-03-31 23:47:53,064 INFO L226 Difference]: Without dead ends: 334 [2023-03-31 23:47:53,069 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 [2023-03-31 23:47:53,072 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:53,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-03-31 23:47:53,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2023-03-31 23:47:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 169 states have (on average 1.183431952662722) internal successors, (200), 173 states have internal predecessors, (200), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:47:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 389 transitions. [2023-03-31 23:47:53,162 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 389 transitions. Word has length 121 [2023-03-31 23:47:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:53,164 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 389 transitions. [2023-03-31 23:47:53,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 389 transitions. [2023-03-31 23:47:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-03-31 23:47:53,170 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:53,170 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] [2023-03-31 23:47:53,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:47:53,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:53,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:53,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1255710828, now seen corresponding path program 1 times [2023-03-31 23:47:53,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789682235] [2023-03-31 23:47:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:53,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:53,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789682235] [2023-03-31 23:47:53,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789682235] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:53,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:53,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486466663] [2023-03-31 23:47:53,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:53,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:53,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:53,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:53,525 INFO L87 Difference]: Start difference. First operand 334 states and 389 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:53,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:53,658 INFO L93 Difference]: Finished difference Result 503 states and 573 transitions. [2023-03-31 23:47:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:53,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-03-31 23:47:53,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:53,663 INFO L225 Difference]: With dead ends: 503 [2023-03-31 23:47:53,663 INFO L226 Difference]: Without dead ends: 336 [2023-03-31 23:47:53,670 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 [2023-03-31 23:47:53,672 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:53,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-03-31 23:47:53,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-03-31 23:47:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 171 states have (on average 1.1812865497076024) internal successors, (202), 175 states have internal predecessors, (202), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:47:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 391 transitions. [2023-03-31 23:47:53,701 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 391 transitions. Word has length 122 [2023-03-31 23:47:53,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:53,702 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 391 transitions. [2023-03-31 23:47:53,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 391 transitions. [2023-03-31 23:47:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-03-31 23:47:53,709 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:53,709 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] [2023-03-31 23:47:53,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:47:53,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:53,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:53,710 INFO L85 PathProgramCache]: Analyzing trace with hash -147249986, now seen corresponding path program 1 times [2023-03-31 23:47:53,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:53,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759286457] [2023-03-31 23:47:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:53,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:53,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759286457] [2023-03-31 23:47:53,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759286457] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:53,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:53,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:53,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906896928] [2023-03-31 23:47:53,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:53,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:53,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:53,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:53,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:53,874 INFO L87 Difference]: Start difference. First operand 336 states and 391 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:53,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:53,986 INFO L93 Difference]: Finished difference Result 654 states and 789 transitions. [2023-03-31 23:47:53,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:53,987 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-03-31 23:47:53,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:53,991 INFO L225 Difference]: With dead ends: 654 [2023-03-31 23:47:53,991 INFO L226 Difference]: Without dead ends: 376 [2023-03-31 23:47:53,994 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 [2023-03-31 23:47:53,996 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 52 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:53,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 696 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:53,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-03-31 23:47:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2023-03-31 23:47:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 202 states have (on average 1.2574257425742574) internal successors, (254), 206 states have internal predecessors, (254), 105 states have call successors, (105), 71 states have call predecessors, (105), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-03-31 23:47:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 459 transitions. [2023-03-31 23:47:54,013 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 459 transitions. Word has length 127 [2023-03-31 23:47:54,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:54,013 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 459 transitions. [2023-03-31 23:47:54,014 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 23:47:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 459 transitions. [2023-03-31 23:47:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-03-31 23:47:54,017 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:54,017 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] [2023-03-31 23:47:54,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:47:54,017 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:54,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash -446172302, now seen corresponding path program 1 times [2023-03-31 23:47:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858598403] [2023-03-31 23:47:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858598403] [2023-03-31 23:47:54,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858598403] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:47:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088166460] [2023-03-31 23:47:54,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:54,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:47:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:47:54,237 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) [2023-03-31 23:47:54,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:47:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:47:54,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:47:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:47:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088166460] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:47:54,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1195506181] [2023-03-31 23:47:55,017 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-03-31 23:47:55,018 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:47:55,021 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:47:55,025 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:47:55,025 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:47:59,030 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:47:59,595 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-03-31 23:48:04,788 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:48:07,274 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:48:08,741 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:48:09,448 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:48:10,917 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:48:11,694 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:48:13,323 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:48:14,269 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:48:14,427 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:48:14,543 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:48:14,605 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 290 for LOIs [2023-03-31 23:48:18,997 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:48:19,081 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:48:19,144 INFO L180 IcfgInterpreter]: Interpretation finished