/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_spec27_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:22:05,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:22:05,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:22:05,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:22:05,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:22:05,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:22:05,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:22:05,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:22:05,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:22:05,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:22:05,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:22:05,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:22:05,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:22:05,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:22:05,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:22:05,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:22:05,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:22:05,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:22:05,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:22:05,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:22:05,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:22:05,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:22:05,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:22:05,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:22:05,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:22:05,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:22:05,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:22:05,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:22:05,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:22:05,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:22:05,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:22:05,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:22:05,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:22:05,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:22:05,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:22:05,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:22:05,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:22:05,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:22:05,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:22:05,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:22:05,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:22:05,751 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 00:22:05,764 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:22:05,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:22:05,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:22:05,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:22:05,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:22:05,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:22:05,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:22:05,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:22:05,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:22:05,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:22:05,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:22:05,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:22:05,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:22:05,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:22:05,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:22:05,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:22:05,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:22:05,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:22:05,953 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:22:05,954 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:22:05,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2023-04-03 00:22:07,057 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:22:07,269 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:22:07,270 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2023-04-03 00:22:07,291 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1f3c4fa/737322ec768d4b20952d7d6fc53cb320/FLAG7d41f8777 [2023-04-03 00:22:07,303 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1f3c4fa/737322ec768d4b20952d7d6fc53cb320 [2023-04-03 00:22:07,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:22:07,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:22:07,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:22:07,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:22:07,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:22:07,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701d4bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07, skipping insertion in model container [2023-04-03 00:22:07,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:22:07,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:22:07,449 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c[1543,1556] [2023-04-03 00:22:07,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:22:07,707 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:22:07,715 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c[1543,1556] [2023-04-03 00:22:07,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:22:07,814 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:22:07,819 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:22:07,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07 WrapperNode [2023-04-03 00:22:07,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:22:07,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:22:07,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:22:07,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:22:07,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:22:07,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:22:07,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:22:07,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:22:07,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (1/1) ... [2023-04-03 00:22:07,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:22:07,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:22:07,943 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 00:22:07,983 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 00:22:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:22:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:22:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:22:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:22:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:22:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:22:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:22:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:22:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:22:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:22:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:22:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:22:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:22:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:22:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:22:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:22:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:22:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:22:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:22:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:22:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:22:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:22:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:22:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:22:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:22:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:22:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:22:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:22:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:22:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:22:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:22:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:22:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:22:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:22:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:22:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:22:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:22:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:22:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:22:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:22:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:22:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:22:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:22:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:22:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:22:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:22:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:22:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:22:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:22:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:22:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:22:08,337 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:22:08,345 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:22:09,116 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:22:09,673 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:22:09,674 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:22:09,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:22:09 BoogieIcfgContainer [2023-04-03 00:22:09,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:22:09,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:22:09,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:22:09,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:22:09,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:22:07" (1/3) ... [2023-04-03 00:22:09,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c8e19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:22:09, skipping insertion in model container [2023-04-03 00:22:09,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:22:07" (2/3) ... [2023-04-03 00:22:09,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c8e19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:22:09, skipping insertion in model container [2023-04-03 00:22:09,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:22:09" (3/3) ... [2023-04-03 00:22:09,686 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c [2023-04-03 00:22:09,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:22:09,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:22:09,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:22:09,741 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;@85f3f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:22:09,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:22:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 436 states, 219 states have (on average 1.1917808219178083) internal successors, (261), 229 states have internal predecessors, (261), 128 states have call successors, (128), 84 states have call predecessors, (128), 84 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-03 00:22:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-03 00:22:09,757 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:22:09,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:22:09,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:22:09,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:22:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash 118259849, now seen corresponding path program 1 times [2023-04-03 00:22:09,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:22:09,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363544177] [2023-04-03 00:22:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:22:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:22:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:22:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:10,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:22:10,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363544177] [2023-04-03 00:22:10,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363544177] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:22:10,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:22:10,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:22:10,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609133358] [2023-04-03 00:22:10,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:22:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:22:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:22:10,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:22:10,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:22:10,148 INFO L87 Difference]: Start difference. First operand has 436 states, 219 states have (on average 1.1917808219178083) internal successors, (261), 229 states have internal predecessors, (261), 128 states have call successors, (128), 84 states have call predecessors, (128), 84 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:22:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:22:10,297 INFO L93 Difference]: Finished difference Result 673 states and 805 transitions. [2023-04-03 00:22:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:22:10,299 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 169 [2023-04-03 00:22:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:22:10,317 INFO L225 Difference]: With dead ends: 673 [2023-04-03 00:22:10,317 INFO L226 Difference]: Without dead ends: 415 [2023-04-03 00:22:10,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:22:10,327 INFO L413 NwaCegarLoop]: 453 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, 453 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 [2023-04-03 00:22:10,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:22:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-04-03 00:22:10,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2023-04-03 00:22:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 210 states have (on average 1.180952380952381) internal successors, (248), 217 states have internal predecessors, (248), 124 states have call successors, (124), 84 states have call predecessors, (124), 80 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:22:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 491 transitions. [2023-04-03 00:22:10,407 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 491 transitions. Word has length 169 [2023-04-03 00:22:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:22:10,409 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 491 transitions. [2023-04-03 00:22:10,409 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:22:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 491 transitions. [2023-04-03 00:22:10,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-03 00:22:10,419 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:22:10,419 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:22:10,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:22:10,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:22:10,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:22:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1338228690, now seen corresponding path program 1 times [2023-04-03 00:22:10,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:22:10,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228112805] [2023-04-03 00:22:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:22:10,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:22:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:22:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:10,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:22:10,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228112805] [2023-04-03 00:22:10,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228112805] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:22:10,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:22:10,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:22:10,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017300469] [2023-04-03 00:22:10,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:22:10,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:22:10,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:22:10,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:22:10,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:22:10,780 INFO L87 Difference]: Start difference. First operand 415 states and 491 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:22:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:22:10,866 INFO L93 Difference]: Finished difference Result 658 states and 770 transitions. [2023-04-03 00:22:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:22:10,867 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 170 [2023-04-03 00:22:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:22:10,869 INFO L225 Difference]: With dead ends: 658 [2023-04-03 00:22:10,869 INFO L226 Difference]: Without dead ends: 417 [2023-04-03 00:22:10,870 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 00:22:10,871 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 0 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 886 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 [2023-04-03 00:22:10,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 886 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:22:10,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-04-03 00:22:10,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2023-04-03 00:22:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 212 states have (on average 1.179245283018868) internal successors, (250), 219 states have internal predecessors, (250), 124 states have call successors, (124), 84 states have call predecessors, (124), 80 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:22:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 493 transitions. [2023-04-03 00:22:10,883 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 493 transitions. Word has length 170 [2023-04-03 00:22:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:22:10,884 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 493 transitions. [2023-04-03 00:22:10,884 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, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:22:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 493 transitions. [2023-04-03 00:22:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-03 00:22:10,886 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:22:10,887 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2023-04-03 00:22:10,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:22:10,887 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:22:10,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:22:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1987146617, now seen corresponding path program 1 times [2023-04-03 00:22:10,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:22:10,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005283175] [2023-04-03 00:22:10,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:22:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:22:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:22:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:11,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:22:11,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005283175] [2023-04-03 00:22:11,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005283175] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:22:11,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:22:11,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:22:11,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745920760] [2023-04-03 00:22:11,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:22:11,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:22:11,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:22:11,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:22:11,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:22:11,009 INFO L87 Difference]: Start difference. First operand 417 states and 493 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, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 00:22:11,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:22:11,086 INFO L93 Difference]: Finished difference Result 818 states and 996 transitions. [2023-04-03 00:22:11,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:22:11,086 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, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 182 [2023-04-03 00:22:11,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:22:11,088 INFO L225 Difference]: With dead ends: 818 [2023-04-03 00:22:11,089 INFO L226 Difference]: Without dead ends: 459 [2023-04-03 00:22:11,089 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 00:22:11,090 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 53 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 888 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 [2023-04-03 00:22:11,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 888 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:22:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2023-04-03 00:22:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 458. [2023-04-03 00:22:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 244 states have (on average 1.2418032786885247) internal successors, (303), 251 states have internal predecessors, (303), 133 states have call successors, (133), 84 states have call predecessors, (133), 80 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-03 00:22:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 564 transitions. [2023-04-03 00:22:11,103 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 564 transitions. Word has length 182 [2023-04-03 00:22:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:22:11,103 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 564 transitions. [2023-04-03 00:22:11,104 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, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-03 00:22:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 564 transitions. [2023-04-03 00:22:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-04-03 00:22:11,106 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:22:11,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2023-04-03 00:22:11,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:22:11,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:22:11,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:22:11,107 INFO L85 PathProgramCache]: Analyzing trace with hash -884249811, now seen corresponding path program 1 times [2023-04-03 00:22:11,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:22:11,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846298687] [2023-04-03 00:22:11,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:22:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:22:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:22:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:11,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:22:11,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846298687] [2023-04-03 00:22:11,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846298687] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:22:11,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249057352] [2023-04-03 00:22:11,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:22:11,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:22:11,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:22:11,359 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 00:22:11,360 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 00:22:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:22:11,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 2548 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:22:11,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:22:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:11,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:22:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:22:12,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249057352] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:22:12,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1434281274] [2023-04-03 00:22:12,121 INFO L159 IcfgInterpreter]: Started Sifa with 166 locations of interest [2023-04-03 00:22:12,121 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:22:12,127 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:22:12,131 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:22:12,131 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:22:15,368 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:22:16,014 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 323 for LOIs [2023-04-03 00:22:20,909 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:22:23,100 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:22:24,375 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:22:25,053 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:22:26,327 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:22:27,109 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:25:48,936 WARN L223 SmtUtils]: Spent 3.34m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:25:49,059 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs