/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:03:56,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:03:56,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:03:56,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:03:56,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:03:56,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:03:56,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:03:56,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:03:56,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:03:56,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:03:56,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:03:56,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:03:56,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:03:56,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:03:56,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:03:56,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:03:56,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:03:56,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:03:56,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:03:56,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:03:56,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:03:56,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:03:56,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:03:56,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:03:56,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:03:56,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:03:56,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:03:56,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:03:56,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:03:56,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:03:56,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:03:56,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:03:56,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:03:56,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:03:56,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:03:56,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:03:56,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:03:56,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:03:56,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:03:56,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:03:56,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:03:56,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:03:56,784 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:03:56,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:03:56,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:03:56,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:03:56,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:03:56,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:03:56,786 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:03:56,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:03:56,787 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:03:56,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:03:56,787 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:03:56,788 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:03:56,788 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:03:56,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:03:56,789 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:03:56,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:03:56,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:03:56,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:03:56,790 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:03:56,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:03:56,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:03:56,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:03:56,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:03:56,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:03:56,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:03:56,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:03:57,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:03:57,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:03:57,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:03:57,063 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:03:57,064 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:03:57,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2023-04-03 00:03:58,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:03:58,680 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:03:58,683 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_productSimulator.cil.c [2023-04-03 00:03:58,708 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8d2d5da/3f4dcb2ed7494b53bb8ae589ecffbcd6/FLAG6dc797c44 [2023-04-03 00:03:58,725 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b8d2d5da/3f4dcb2ed7494b53bb8ae589ecffbcd6 [2023-04-03 00:03:58,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:03:58,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:03:58,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:03:58,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:03:58,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:03:58,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:03:58" (1/1) ... [2023-04-03 00:03:58,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bda03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:58, skipping insertion in model container [2023-04-03 00:03:58,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:03:58" (1/1) ... [2023-04-03 00:03:58,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:03:58,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:03:59,174 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_spec0_productSimulator.cil.c[14867,14880] [2023-04-03 00:03:59,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:03:59,361 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:03:59,434 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_spec0_productSimulator.cil.c[14867,14880] [2023-04-03 00:03:59,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:03:59,562 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:03:59,568 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:03:59,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59 WrapperNode [2023-04-03 00:03:59,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:03:59,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:03:59,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:03:59,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:03:59,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:03:59,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:03:59,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:03:59,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:03:59,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (1/1) ... [2023-04-03 00:03:59,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:03:59,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:03:59,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:03:59,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:03:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:03:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-03 00:03:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-03 00:03:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:03:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:03:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:03:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:03:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:03:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:03:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:03:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:03:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:03:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:03:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:03:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-03 00:03:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:03:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:03:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-03 00:03:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:03:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:03:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:03:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:03:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:03:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:03:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:03:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:03:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-03 00:03:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-03 00:03:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:03:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:03:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:03:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:03:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:03:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:03:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:03:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:03:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:03:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:03:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:03:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-03 00:03:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:03:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:03:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:03:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:04:00,282 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:04:00,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:04:01,544 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:04:02,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:04:02,542 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:04:02,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:04:02 BoogieIcfgContainer [2023-04-03 00:04:02,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:04:02,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:04:02,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:04:02,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:04:02,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:03:58" (1/3) ... [2023-04-03 00:04:02,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be714e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:04:02, skipping insertion in model container [2023-04-03 00:04:02,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:59" (2/3) ... [2023-04-03 00:04:02,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be714e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:04:02, skipping insertion in model container [2023-04-03 00:04:02,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:04:02" (3/3) ... [2023-04-03 00:04:02,558 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2023-04-03 00:04:02,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:04:02,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:04:02,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:04:02,669 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;@31c34400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:04:02,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:04:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 313 states have (on average 1.255591054313099) internal successors, (393), 348 states have internal predecessors, (393), 178 states have call successors, (178), 107 states have call predecessors, (178), 107 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) [2023-04-03 00:04:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-03 00:04:02,716 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:04:02,717 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2023-04-03 00:04:02,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:04:02,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:04:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash 889210356, now seen corresponding path program 1 times [2023-04-03 00:04:02,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:04:02,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748288318] [2023-04-03 00:04:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:04:02,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:04:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:04:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 00:04:03,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:04:03,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748288318] [2023-04-03 00:04:03,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748288318] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:04:03,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:04:03,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:04:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963401020] [2023-04-03 00:04:03,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:04:03,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:04:03,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:04:03,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:04:03,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:04:03,791 INFO L87 Difference]: Start difference. First operand has 604 states, 313 states have (on average 1.255591054313099) internal successors, (393), 348 states have internal predecessors, (393), 178 states have call successors, (178), 107 states have call predecessors, (178), 107 states have return successors, (178), 164 states have call predecessors, (178), 178 states have call successors, (178) Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 00:04:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:04:04,185 INFO L93 Difference]: Finished difference Result 1130 states and 1425 transitions. [2023-04-03 00:04:04,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:04:04,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 182 [2023-04-03 00:04:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:04:04,217 INFO L225 Difference]: With dead ends: 1130 [2023-04-03 00:04:04,218 INFO L226 Difference]: Without dead ends: 577 [2023-04-03 00:04:04,228 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 [2023-04-03 00:04:04,232 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 3 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3320 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 [2023-04-03 00:04:04,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3320 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 00:04:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2023-04-03 00:04:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2023-04-03 00:04:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 300 states have (on average 1.23) internal successors, (369), 332 states have internal predecessors, (369), 173 states have call successors, (173), 107 states have call predecessors, (173), 103 states have return successors, (168), 154 states have call predecessors, (168), 168 states have call successors, (168) [2023-04-03 00:04:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2023-04-03 00:04:04,404 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 182 [2023-04-03 00:04:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:04:04,406 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2023-04-03 00:04:04,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 00:04:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2023-04-03 00:04:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-03 00:04:04,416 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:04:04,417 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2023-04-03 00:04:04,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:04:04,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:04:04,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:04:04,418 INFO L85 PathProgramCache]: Analyzing trace with hash 86038607, now seen corresponding path program 1 times [2023-04-03 00:04:04,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:04:04,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074410228] [2023-04-03 00:04:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:04:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:04:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:04:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 00:04:04,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:04:04,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074410228] [2023-04-03 00:04:04,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074410228] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:04:04,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:04:04,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:04:04,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815647148] [2023-04-03 00:04:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:04:04,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:04:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:04:04,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:04:04,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:04:04,759 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 00:04:04,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:04:04,890 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2023-04-03 00:04:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:04:04,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 188 [2023-04-03 00:04:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:04:04,905 INFO L225 Difference]: With dead ends: 908 [2023-04-03 00:04:04,905 INFO L226 Difference]: Without dead ends: 579 [2023-04-03 00:04:04,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:04:04,912 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 0 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1304 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 [2023-04-03 00:04:04,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1304 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:04:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2023-04-03 00:04:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2023-04-03 00:04:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 302 states have (on average 1.228476821192053) internal successors, (371), 334 states have internal predecessors, (371), 173 states have call successors, (173), 107 states have call predecessors, (173), 103 states have return successors, (168), 154 states have call predecessors, (168), 168 states have call successors, (168) [2023-04-03 00:04:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2023-04-03 00:04:04,952 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 188 [2023-04-03 00:04:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:04:04,953 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2023-04-03 00:04:04,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-03 00:04:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2023-04-03 00:04:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-03 00:04:04,959 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:04:04,959 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:04:04,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:04:04,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:04:04,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:04:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1664761532, now seen corresponding path program 1 times [2023-04-03 00:04:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:04:04,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029018861] [2023-04-03 00:04:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:04:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:04:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:04:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 00:04:05,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:04:05,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029018861] [2023-04-03 00:04:05,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029018861] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:04:05,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027581741] [2023-04-03 00:04:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:04:05,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:04:05,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:04:05,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:04:05,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:04:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:04:06,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2825 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:04:06,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:04:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 00:04:06,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:04:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 00:04:06,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027581741] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:04:06,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1756854492] [2023-04-03 00:04:06,395 INFO L159 IcfgInterpreter]: Started Sifa with 171 locations of interest [2023-04-03 00:04:06,395 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:04:06,399 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:04:06,403 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:04:06,404 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:04:11,928 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 334 for LOIs [2023-04-03 00:04:12,592 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 383 for LOIs