/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_spec27_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:43:22,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:43:22,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:43:22,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:43:22,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:43:22,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:43:22,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:43:22,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:43:22,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:43:22,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:43:22,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:43:22,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:43:22,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:43:22,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:43:22,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:43:22,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:43:22,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:43:22,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:43:22,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:43:22,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:43:22,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:43:22,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:43:22,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:43:22,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:43:22,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:43:22,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:43:22,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:43:22,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:43:22,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:43:22,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:43:22,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:43:22,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:43:22,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:43:22,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:43:22,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:43:22,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:43:22,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:43:22,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:43:22,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:43:22,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:43:22,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:43:22,742 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 23:43:22,771 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:43:22,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:43:22,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:43:22,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:43:22,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:43:22,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:43:22,773 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:43:22,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:43:22,773 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:43:22,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:43:22,774 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:43:22,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:43:22,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:43:22,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:43:22,774 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:43:22,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:43:22,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:43:22,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:43:22,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:43:22,775 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:43:22,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:43:22,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:43:22,777 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:43:22,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:43:22,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:43:22,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:43:22,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:43:22,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:43:22,777 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:43:22,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:43:22,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:43:22,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:43:23,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:43:23,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:43:23,026 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:43:23,027 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:43:23,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2023-03-31 23:43:24,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:43:24,479 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:43:24,480 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2023-03-31 23:43:24,494 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2276e1c42/394af81dfb3641d6923aea8ae2b68234/FLAG03b6e6847 [2023-03-31 23:43:24,505 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2276e1c42/394af81dfb3641d6923aea8ae2b68234 [2023-03-31 23:43:24,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:43:24,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:43:24,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:43:24,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:43:24,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:43:24,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:43:24" (1/1) ... [2023-03-31 23:43:24,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c56cf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:24, skipping insertion in model container [2023-03-31 23:43:24,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:43:24" (1/1) ... [2023-03-31 23:43:24,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:43:24,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:43:24,841 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2023-03-31 23:43:25,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:43:25,150 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:43:25,183 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c[11237,11250] [2023-03-31 23:43:25,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:43:25,261 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:43:25,267 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:43:25,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25 WrapperNode [2023-03-31 23:43:25,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:43:25,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:43:25,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:43:25,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:43:25,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:43:25,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:43:25,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:43:25,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:43:25,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (1/1) ... [2023-03-31 23:43:25,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:43:25,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:43:25,460 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 23:43:25,464 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 23:43:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:43:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:43:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:43:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:43:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:43:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:43:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:43:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:43:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:43:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:43:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:43:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:43:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-03-31 23:43:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-03-31 23:43:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:43:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-03-31 23:43:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:43:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-03-31 23:43:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:43:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:43:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:43:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:43:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:43:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:43:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:43:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:43:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:43:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:43:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:43:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:43:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-03-31 23:43:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:43:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:43:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:43:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:43:25,883 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:43:25,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:43:27,054 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:43:27,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:43:27,736 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:43:27,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:43:27 BoogieIcfgContainer [2023-03-31 23:43:27,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:43:27,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:43:27,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:43:27,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:43:27,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:43:24" (1/3) ... [2023-03-31 23:43:27,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f2e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:43:27, skipping insertion in model container [2023-03-31 23:43:27,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:25" (2/3) ... [2023-03-31 23:43:27,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f2e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:43:27, skipping insertion in model container [2023-03-31 23:43:27,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:43:27" (3/3) ... [2023-03-31 23:43:27,746 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2023-03-31 23:43:27,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:43:27,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:43:27,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:43:27,815 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;@169c709c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:43:27,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:43:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 609 states, 316 states have (on average 1.2563291139240507) internal successors, (397), 351 states have internal predecessors, (397), 180 states have call successors, (180), 107 states have call predecessors, (180), 107 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) [2023-03-31 23:43:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-03-31 23:43:27,841 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:27,842 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:27,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:27,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1462359402, now seen corresponding path program 1 times [2023-03-31 23:43:27,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:27,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065316554] [2023-03-31 23:43:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-31 23:43:28,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:28,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065316554] [2023-03-31 23:43:28,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065316554] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:28,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:28,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:43:28,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252482398] [2023-03-31 23:43:28,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:28,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:43:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:28,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:43:28,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:43:28,751 INFO L87 Difference]: Start difference. First operand has 609 states, 316 states have (on average 1.2563291139240507) internal successors, (397), 351 states have internal predecessors, (397), 180 states have call successors, (180), 107 states have call predecessors, (180), 107 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:43:29,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:29,142 INFO L93 Difference]: Finished difference Result 1140 states and 1446 transitions. [2023-03-31 23:43:29,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:43:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 168 [2023-03-31 23:43:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:29,165 INFO L225 Difference]: With dead ends: 1140 [2023-03-31 23:43:29,166 INFO L226 Difference]: Without dead ends: 582 [2023-03-31 23:43:29,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:43:29,180 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 3 mSDsluCounter, 2686 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3360 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:29,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3360 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:43:29,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2023-03-31 23:43:29,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2023-03-31 23:43:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 303 states have (on average 1.231023102310231) internal successors, (373), 335 states have internal predecessors, (373), 175 states have call successors, (175), 107 states have call predecessors, (175), 103 states have return successors, (170), 156 states have call predecessors, (170), 170 states have call successors, (170) [2023-03-31 23:43:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2023-03-31 23:43:29,272 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 168 [2023-03-31 23:43:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:29,274 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2023-03-31 23:43:29,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:43:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2023-03-31 23:43:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 23:43:29,279 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:29,280 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:29,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:43:29,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:29,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash 262188108, now seen corresponding path program 1 times [2023-03-31 23:43:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:29,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283376002] [2023-03-31 23:43:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-31 23:43:29,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:29,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283376002] [2023-03-31 23:43:29,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283376002] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:29,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:29,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 23:43:29,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74479874] [2023-03-31 23:43:29,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:29,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 23:43:29,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 23:43:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 23:43:29,574 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-03-31 23:43:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:30,141 INFO L93 Difference]: Finished difference Result 1124 states and 1404 transitions. [2023-03-31 23:43:30,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-03-31 23:43:30,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 174 [2023-03-31 23:43:30,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:30,153 INFO L225 Difference]: With dead ends: 1124 [2023-03-31 23:43:30,153 INFO L226 Difference]: Without dead ends: 582 [2023-03-31 23:43:30,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 23:43:30,160 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 706 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:30,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 960 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 23:43:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2023-03-31 23:43:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2023-03-31 23:43:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 304 states have (on average 1.2203947368421053) internal successors, (371), 334 states have internal predecessors, (371), 173 states have call successors, (173), 108 states have call predecessors, (173), 104 states have return successors, (168), 156 states have call predecessors, (168), 168 states have call successors, (168) [2023-03-31 23:43:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 712 transitions. [2023-03-31 23:43:30,208 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 712 transitions. Word has length 174 [2023-03-31 23:43:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:30,208 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 712 transitions. [2023-03-31 23:43:30,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-03-31 23:43:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 712 transitions. [2023-03-31 23:43:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 23:43:30,216 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:30,216 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:30,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:43:30,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:30,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash -144906218, now seen corresponding path program 1 times [2023-03-31 23:43:30,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:30,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084620496] [2023-03-31 23:43:30,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-31 23:43:30,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:30,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084620496] [2023-03-31 23:43:30,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084620496] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:30,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:30,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:30,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131017671] [2023-03-31 23:43:30,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:30,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:30,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:30,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:30,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:30,434 INFO L87 Difference]: Start difference. First operand 582 states and 712 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:43:30,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:30,639 INFO L93 Difference]: Finished difference Result 1638 states and 2049 transitions. [2023-03-31 23:43:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:30,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 192 [2023-03-31 23:43:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:30,648 INFO L225 Difference]: With dead ends: 1638 [2023-03-31 23:43:30,648 INFO L226 Difference]: Without dead ends: 1096 [2023-03-31 23:43:30,652 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 23:43:30,656 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 672 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:30,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 1289 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-03-31 23:43:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1093. [2023-03-31 23:43:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 572 states have (on average 1.2185314685314685) internal successors, (697), 627 states have internal predecessors, (697), 320 states have call successors, (320), 204 states have call predecessors, (320), 200 states have return successors, (337), 294 states have call predecessors, (337), 312 states have call successors, (337) [2023-03-31 23:43:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1354 transitions. [2023-03-31 23:43:30,742 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1354 transitions. Word has length 192 [2023-03-31 23:43:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:30,743 INFO L495 AbstractCegarLoop]: Abstraction has 1093 states and 1354 transitions. [2023-03-31 23:43:30,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:43:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1354 transitions. [2023-03-31 23:43:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-03-31 23:43:30,755 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:30,755 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:30,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:43:30,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:30,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash 791060532, now seen corresponding path program 1 times [2023-03-31 23:43:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:30,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530384615] [2023-03-31 23:43:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-31 23:43:30,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530384615] [2023-03-31 23:43:30,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530384615] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:30,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:30,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:30,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518734792] [2023-03-31 23:43:30,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:30,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:30,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:30,902 INFO L87 Difference]: Start difference. First operand 1093 states and 1354 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:43:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:31,005 INFO L93 Difference]: Finished difference Result 1096 states and 1356 transitions. [2023-03-31 23:43:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 193 [2023-03-31 23:43:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:31,008 INFO L225 Difference]: With dead ends: 1096 [2023-03-31 23:43:31,008 INFO L226 Difference]: Without dead ends: 582 [2023-03-31 23:43:31,010 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 23:43:31,014 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 653 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:31,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 683 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:31,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2023-03-31 23:43:31,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2023-03-31 23:43:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 305 states have (on average 1.2065573770491804) internal successors, (368), 333 states have internal predecessors, (368), 171 states have call successors, (171), 109 states have call predecessors, (171), 105 states have return successors, (166), 156 states have call predecessors, (166), 166 states have call successors, (166) [2023-03-31 23:43:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 705 transitions. [2023-03-31 23:43:31,045 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 705 transitions. Word has length 193 [2023-03-31 23:43:31,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:31,047 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 705 transitions. [2023-03-31 23:43:31,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:43:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 705 transitions. [2023-03-31 23:43:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-03-31 23:43:31,050 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:31,050 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:31,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:43:31,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:31,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash 680266792, now seen corresponding path program 1 times [2023-03-31 23:43:31,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:31,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135035410] [2023-03-31 23:43:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:31,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-03-31 23:43:31,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135035410] [2023-03-31 23:43:31,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135035410] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:31,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:31,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 23:43:31,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077160973] [2023-03-31 23:43:31,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:31,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 23:43:31,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:31,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 23:43:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 23:43:31,263 INFO L87 Difference]: Start difference. First operand 582 states and 705 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-03-31 23:43:31,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:31,829 INFO L93 Difference]: Finished difference Result 1107 states and 1340 transitions. [2023-03-31 23:43:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-03-31 23:43:31,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 205 [2023-03-31 23:43:31,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:31,834 INFO L225 Difference]: With dead ends: 1107 [2023-03-31 23:43:31,834 INFO L226 Difference]: Without dead ends: 587 [2023-03-31 23:43:31,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 23:43:31,837 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 647 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:31,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 961 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 23:43:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2023-03-31 23:43:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 581. [2023-03-31 23:43:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 306 states have (on average 1.1699346405228759) internal successors, (358), 323 states have internal predecessors, (358), 168 states have call successors, (168), 110 states have call predecessors, (168), 106 states have return successors, (163), 156 states have call predecessors, (163), 163 states have call successors, (163) [2023-03-31 23:43:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 689 transitions. [2023-03-31 23:43:31,873 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 689 transitions. Word has length 205 [2023-03-31 23:43:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:31,875 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 689 transitions. [2023-03-31 23:43:31,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 4 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-03-31 23:43:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 689 transitions. [2023-03-31 23:43:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-03-31 23:43:31,878 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:31,879 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:31,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:43:31,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:31,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:31,879 INFO L85 PathProgramCache]: Analyzing trace with hash -833276840, now seen corresponding path program 1 times [2023-03-31 23:43:31,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:31,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742702013] [2023-03-31 23:43:31,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:31,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-03-31 23:43:32,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:32,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742702013] [2023-03-31 23:43:32,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742702013] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:32,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:32,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:32,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490656220] [2023-03-31 23:43:32,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:32,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:32,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:32,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:32,124 INFO L87 Difference]: Start difference. First operand 581 states and 689 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-03-31 23:43:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:32,247 INFO L93 Difference]: Finished difference Result 913 states and 1078 transitions. [2023-03-31 23:43:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 226 [2023-03-31 23:43:32,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:32,251 INFO L225 Difference]: With dead ends: 913 [2023-03-31 23:43:32,251 INFO L226 Difference]: Without dead ends: 583 [2023-03-31 23:43:32,252 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 23:43:32,253 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 0 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:32,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1256 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:32,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2023-03-31 23:43:32,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2023-03-31 23:43:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 308 states have (on average 1.1688311688311688) internal successors, (360), 325 states have internal predecessors, (360), 168 states have call successors, (168), 110 states have call predecessors, (168), 106 states have return successors, (163), 156 states have call predecessors, (163), 163 states have call successors, (163) [2023-03-31 23:43:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 691 transitions. [2023-03-31 23:43:32,313 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 691 transitions. Word has length 226 [2023-03-31 23:43:32,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:32,314 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 691 transitions. [2023-03-31 23:43:32,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-03-31 23:43:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 691 transitions. [2023-03-31 23:43:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-03-31 23:43:32,317 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:32,318 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:32,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:43:32,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:32,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:32,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1166375255, now seen corresponding path program 1 times [2023-03-31 23:43:32,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:32,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909466989] [2023-03-31 23:43:32,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-03-31 23:43:32,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:32,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909466989] [2023-03-31 23:43:32,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909466989] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:32,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:32,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:32,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529237428] [2023-03-31 23:43:32,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:32,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:32,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:32,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:32,490 INFO L87 Difference]: Start difference. First operand 583 states and 691 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-03-31 23:43:32,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:32,622 INFO L93 Difference]: Finished difference Result 1110 states and 1349 transitions. [2023-03-31 23:43:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:32,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 233 [2023-03-31 23:43:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:32,626 INFO L225 Difference]: With dead ends: 1110 [2023-03-31 23:43:32,626 INFO L226 Difference]: Without dead ends: 637 [2023-03-31 23:43:32,628 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 23:43:32,628 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 68 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:32,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1259 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-03-31 23:43:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2023-03-31 23:43:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 351 states have (on average 1.2165242165242165) internal successors, (427), 371 states have internal predecessors, (427), 178 states have call successors, (178), 110 states have call predecessors, (178), 106 states have return successors, (173), 166 states have call predecessors, (173), 173 states have call successors, (173) [2023-03-31 23:43:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 778 transitions. [2023-03-31 23:43:32,667 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 778 transitions. Word has length 233 [2023-03-31 23:43:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:32,668 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 778 transitions. [2023-03-31 23:43:32,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-03-31 23:43:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 778 transitions. [2023-03-31 23:43:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-03-31 23:43:32,671 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:32,671 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:32,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 23:43:32,672 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:32,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:32,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1670159965, now seen corresponding path program 1 times [2023-03-31 23:43:32,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:32,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572415816] [2023-03-31 23:43:32,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-03-31 23:43:32,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572415816] [2023-03-31 23:43:32,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572415816] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:43:32,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189658027] [2023-03-31 23:43:32,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:32,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:43:32,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:43:32,921 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 23:43:32,931 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 23:43:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:33,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 3121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:43:33,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:43:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-03-31 23:43:33,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:43:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-03-31 23:43:34,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189658027] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:43:34,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [734841592] [2023-03-31 23:43:34,052 INFO L159 IcfgInterpreter]: Started Sifa with 209 locations of interest [2023-03-31 23:43:34,052 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:43:34,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:43:34,060 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:43:34,060 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:43:38,296 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 334 for LOIs [2023-03-31 23:43:38,962 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 383 for LOIs [2023-03-31 23:43:47,928 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 266 for LOIs [2023-03-31 23:43:50,598 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 250 for LOIs [2023-03-31 23:43:51,411 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__role__Keys with input of size 252 for LOIs [2023-03-31 23:43:53,092 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__before__Keys with input of size 243 for LOIs [2023-03-31 23:43:53,885 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 251 for LOIs [2023-03-31 23:43:54,698 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__role__Keys with input of size 253 for LOIs [2023-03-31 23:43:56,317 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__before__Keys with input of size 244 for LOIs [2023-03-31 23:43:57,306 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 262 for LOIs [2023-03-31 23:43:58,359 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__role__Keys with input of size 264 for LOIs [2023-03-31 23:44:00,087 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__before__Keys with input of size 258 for LOIs [2023-03-31 23:44:01,143 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 239 for LOIs [2023-03-31 23:44:01,256 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 241 for LOIs [2023-03-31 23:44:01,361 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 245 for LOIs [2023-03-31 23:44:05,697 INFO L197 IcfgInterpreter]: Interpreting procedure select_one with input of size 254 for LOIs [2023-03-31 23:44:05,991 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 358 for LOIs [2023-03-31 23:44:12,851 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 263 for LOIs [2023-03-31 23:44:13,132 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 267 for LOIs [2023-03-31 23:44:14,352 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 241 for LOIs [2023-03-31 23:44:15,853 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 235 for LOIs [2023-03-31 23:44:15,945 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 263 for LOIs [2023-03-31 23:44:16,326 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__role__Sign with input of size 265 for LOIs [2023-03-31 23:44:17,337 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Sign with input of size 247 for LOIs [2023-03-31 23:44:17,676 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__AddressBook with input of size 245 for LOIs [2023-03-31 23:44:17,997 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__before__Encrypt with input of size 245 for LOIs [2023-03-31 23:44:19,474 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 243 for LOIs [2023-03-31 23:44:19,845 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 213 for LOIs [2023-03-31 23:44:19,946 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:44:20,011 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 235 for LOIs [2023-03-31 23:44:20,825 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 225 for LOIs [2023-03-31 23:44:20,936 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 243 for LOIs [2023-03-31 23:44:21,793 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 217 for LOIs [2023-03-31 23:44:21,889 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 245 for LOIs [2023-03-31 23:44:22,184 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__before__Decrypt with input of size 237 for LOIs [2023-03-31 23:44:22,481 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__role__Verify with input of size 237 for LOIs [2023-03-31 23:44:22,905 INFO L197 IcfgInterpreter]: Interpreting procedure verify with input of size 225 for LOIs [2023-03-31 23:44:23,490 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 217 for LOIs [2023-03-31 23:44:24,186 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 245 for LOIs [2023-03-31 23:44:25,054 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable__before__Encrypt with input of size 217 for LOIs [2023-03-31 23:44:25,124 INFO L180 IcfgInterpreter]: Interpretation finished