/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 EqDomain -i ../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:46:38,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:46:38,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:46:38,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:46:38,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:46:38,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:46:38,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:46:38,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:46:38,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:46:38,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:46:38,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:46:38,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:46:38,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:46:38,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:46:38,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:46:38,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:46:38,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:46:38,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:46:38,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:46:38,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:46:38,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:46:38,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:46:38,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:46:38,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:46:38,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:46:38,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:46:38,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:46:38,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:46:38,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:46:38,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:46:38,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:46:38,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:46:38,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:46:38,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:46:38,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:46:38,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:46:38,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:46:38,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:46:38,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:46:38,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:46:38,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:46:38,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 11:46:38,404 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:46:38,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:46:38,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:46:38,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:46:38,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:46:38,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:46:38,405 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:46:38,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:46:38,406 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:46:38,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:46:38,407 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:46:38,407 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:46:38,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:46:38,407 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:46:38,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:46:38,408 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:46:38,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:46:38,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:46:38,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:46:38,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:46:38,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:46:38,409 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:46:38,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:46:38,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:46:38,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:46:38,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:46:38,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:46:38,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:46:38,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:46:38,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:46:38,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:46:38,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:46:38,635 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:46:38,635 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:46:38,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2023-04-01 11:46:39,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:46:40,016 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:46:40,017 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2023-04-01 11:46:40,033 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ff1ba09/62121e1de8524227a753df3f4ee809b8/FLAG60f2934fa [2023-04-01 11:46:40,048 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41ff1ba09/62121e1de8524227a753df3f4ee809b8 [2023-04-01 11:46:40,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:46:40,053 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:46:40,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:46:40,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:46:40,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:46:40,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bf3a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40, skipping insertion in model container [2023-04-01 11:46:40,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:46:40,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:46:40,561 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_spec11_product33.cil.c[64763,64776] [2023-04-01 11:46:40,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:46:40,584 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:46:40,650 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_spec11_product33.cil.c[64763,64776] [2023-04-01 11:46:40,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:46:40,672 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:46:40,685 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:46:40,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40 WrapperNode [2023-04-01 11:46:40,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:46:40,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:46:40,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:46:40,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:46:40,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:46:40,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:46:40,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:46:40,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:46:40,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (1/1) ... [2023-04-01 11:46:40,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:46:40,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:46:40,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 11:46:40,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 11:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:46:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:46:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:46:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:46:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:46:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:46:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:46:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:46:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:46:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:46:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:46:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:46:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:46:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:46:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:46:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:46:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:46:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:46:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 11:46:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:46:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:46:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:46:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:46:41,242 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:46:41,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:46:42,235 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:46:42,849 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:46:42,850 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:46:42,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:46:42 BoogieIcfgContainer [2023-04-01 11:46:42,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:46:42,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:46:42,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:46:42,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:46:42,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:46:40" (1/3) ... [2023-04-01 11:46:42,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee3b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:46:42, skipping insertion in model container [2023-04-01 11:46:42,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:46:40" (2/3) ... [2023-04-01 11:46:42,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ee3b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:46:42, skipping insertion in model container [2023-04-01 11:46:42,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:46:42" (3/3) ... [2023-04-01 11:46:42,863 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2023-04-01 11:46:42,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:46:42,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:46:42,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:46:42,942 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;@4124f3c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:46:42,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:46:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 216 states have (on average 1.1898148148148149) internal successors, (257), 226 states have internal predecessors, (257), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-01 11:46:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-01 11:46:42,975 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:46:42,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 11:46:42,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:46:42,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:46:42,982 INFO L85 PathProgramCache]: Analyzing trace with hash -160401598, now seen corresponding path program 1 times [2023-04-01 11:46:42,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:46:42,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396908739] [2023-04-01 11:46:42,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:46:42,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:46:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:46:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:43,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:46:43,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396908739] [2023-04-01 11:46:43,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396908739] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:46:43,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:46:43,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:46:43,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523590837] [2023-04-01 11:46:43,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:46:43,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:46:43,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:46:43,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:46:43,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:46:43,507 INFO L87 Difference]: Start difference. First operand has 431 states, 216 states have (on average 1.1898148148148149) internal successors, (257), 226 states have internal predecessors, (257), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-01 11:46:43,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:46:43,654 INFO L93 Difference]: Finished difference Result 663 states and 788 transitions. [2023-04-01 11:46:43,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:46:43,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 176 [2023-04-01 11:46:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:46:43,668 INFO L225 Difference]: With dead ends: 663 [2023-04-01 11:46:43,668 INFO L226 Difference]: Without dead ends: 410 [2023-04-01 11:46:43,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:46:43,675 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:46:43,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 445 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:46:43,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-04-01 11:46:43,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2023-04-01 11:46:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 207 states have (on average 1.178743961352657) internal successors, (244), 214 states have internal predecessors, (244), 122 states have call successors, (122), 84 states have call predecessors, (122), 80 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 11:46:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 483 transitions. [2023-04-01 11:46:43,731 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 483 transitions. Word has length 176 [2023-04-01 11:46:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:46:43,733 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 483 transitions. [2023-04-01 11:46:43,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-01 11:46:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 483 transitions. [2023-04-01 11:46:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-01 11:46:43,743 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:46:43,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 11:46:43,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:46:43,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:46:43,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:46:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash 288372046, now seen corresponding path program 1 times [2023-04-01 11:46:43,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:46:43,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610229502] [2023-04-01 11:46:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:46:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:46:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:46:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:44,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:46:44,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610229502] [2023-04-01 11:46:44,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610229502] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:46:44,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:46:44,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:46:44,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892275163] [2023-04-01 11:46:44,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:46:44,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:46:44,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:46:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:46:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:46:44,086 INFO L87 Difference]: Start difference. First operand 410 states and 483 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-01 11:46:44,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:46:44,196 INFO L93 Difference]: Finished difference Result 648 states and 754 transitions. [2023-04-01 11:46:44,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:46:44,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 177 [2023-04-01 11:46:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:46:44,203 INFO L225 Difference]: With dead ends: 648 [2023-04-01 11:46:44,204 INFO L226 Difference]: Without dead ends: 412 [2023-04-01 11:46:44,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:46:44,210 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 0 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:46:44,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 870 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:46:44,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-04-01 11:46:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-04-01 11:46:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 209 states have (on average 1.1770334928229664) internal successors, (246), 216 states have internal predecessors, (246), 122 states have call successors, (122), 84 states have call predecessors, (122), 80 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 11:46:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 485 transitions. [2023-04-01 11:46:44,245 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 485 transitions. Word has length 177 [2023-04-01 11:46:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:46:44,246 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 485 transitions. [2023-04-01 11:46:44,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-01 11:46:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 485 transitions. [2023-04-01 11:46:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-01 11:46:44,249 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:46:44,249 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 11:46:44,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:46:44,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:46:44,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:46:44,250 INFO L85 PathProgramCache]: Analyzing trace with hash 143231965, now seen corresponding path program 1 times [2023-04-01 11:46:44,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:46:44,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798904668] [2023-04-01 11:46:44,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:46:44,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:46:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:46:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:44,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:46:44,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798904668] [2023-04-01 11:46:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798904668] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:46:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:46:44,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:46:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902996356] [2023-04-01 11:46:44,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:46:44,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:46:44,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:46:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:46:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:46:44,455 INFO L87 Difference]: Start difference. First operand 412 states and 485 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-01 11:46:44,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:46:44,577 INFO L93 Difference]: Finished difference Result 808 states and 980 transitions. [2023-04-01 11:46:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:46:44,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 189 [2023-04-01 11:46:44,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:46:44,594 INFO L225 Difference]: With dead ends: 808 [2023-04-01 11:46:44,594 INFO L226 Difference]: Without dead ends: 454 [2023-04-01 11:46:44,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:46:44,596 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 53 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:46:44,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 868 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:46:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-04-01 11:46:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 453. [2023-04-01 11:46:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 241 states have (on average 1.2406639004149378) internal successors, (299), 248 states have internal predecessors, (299), 131 states have call successors, (131), 84 states have call predecessors, (131), 80 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-01 11:46:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 556 transitions. [2023-04-01 11:46:44,623 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 556 transitions. Word has length 189 [2023-04-01 11:46:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:46:44,623 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 556 transitions. [2023-04-01 11:46:44,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-01 11:46:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 556 transitions. [2023-04-01 11:46:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-01 11:46:44,626 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:46:44,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-01 11:46:44,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:46:44,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:46:44,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:46:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash 209348183, now seen corresponding path program 1 times [2023-04-01 11:46:44,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:46:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472167105] [2023-04-01 11:46:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:46:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:46:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:46:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:44,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:46:44,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472167105] [2023-04-01 11:46:44,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472167105] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:46:44,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111133086] [2023-04-01 11:46:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:46:44,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:46:44,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:46:44,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 11:46:44,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 11:46:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:46:45,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:46:45,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:46:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:45,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:46:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-01 11:46:45,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111133086] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:46:45,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [512492431] [2023-04-01 11:46:45,812 INFO L159 IcfgInterpreter]: Started Sifa with 167 locations of interest [2023-04-01 11:46:45,812 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:46:45,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:46:45,819 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:46:45,819 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:46:55,164 WARN L223 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 493 DAG size of output: 493 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:47:00,303 WARN L223 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 493 DAG size of output: 493 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:47:01,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 11:47:02,050 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 587 for LOIs [2023-04-01 11:47:14,893 WARN L223 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 587 DAG size of output: 587 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:47:25,829 WARN L223 SmtUtils]: Spent 10.93s on a formula simplification. DAG size of input: 587 DAG size of output: 587 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:47:36,850 WARN L223 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 587 DAG size of output: 587 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:47:47,402 WARN L223 SmtUtils]: Spent 10.55s on a formula simplification. DAG size of input: 587 DAG size of output: 587 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)