/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:37:42,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:37:42,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:37:42,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:37:42,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:37:42,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:37:42,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:37:42,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:37:42,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:37:42,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:37:42,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:37:42,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:37:42,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:37:42,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:37:42,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:37:42,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:37:42,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:37:42,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:37:42,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:37:42,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:37:42,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:37:42,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:37:42,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:37:42,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:37:42,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:37:42,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:37:42,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:37:42,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:37:42,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:37:42,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:37:42,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:37:42,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:37:42,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:37:42,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:37:42,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:37:42,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:37:42,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:37:42,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:37:42,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:37:42,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:37:42,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:37:42,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:37:42,551 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:37:42,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:37:42,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:37:42,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:37:42,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:37:42,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:37:42,553 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:37:42,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:37:42,553 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:37:42,553 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:37:42,554 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:37:42,554 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:37:42,554 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:37:42,554 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:37:42,554 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:37:42,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:37:42,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:37:42,555 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:37:42,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:37:42,555 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:37:42,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:37:42,556 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:37:42,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:42,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:37:42,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:37:42,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:37:42,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:37:42,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:37:42,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:37:42,805 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:37:42,805 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:37:42,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2023-03-31 23:37:43,894 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:37:44,126 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:37:44,127 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2023-03-31 23:37:44,160 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd478585/a5a184e2992e4d38a2245523ff5b24f9/FLAGc954f9264 [2023-03-31 23:37:44,174 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd478585/a5a184e2992e4d38a2245523ff5b24f9 [2023-03-31 23:37:44,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:37:44,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:37:44,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:44,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:37:44,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:37:44,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e784398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44, skipping insertion in model container [2023-03-31 23:37:44,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:37:44,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:37:44,403 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_product22.cil.c[4724,4737] [2023-03-31 23:37:44,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:44,637 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:37:44,648 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_product22.cil.c[4724,4737] [2023-03-31 23:37:44,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:44,746 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:37:44,751 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:37:44,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44 WrapperNode [2023-03-31 23:37:44,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:44,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:37:44,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:37:44,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:37:44,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:37:44,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:37:44,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:37:44,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:37:44,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (1/1) ... [2023-03-31 23:37:44,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:44,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:37:44,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:37:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:37:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:37:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:37:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:37:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:37:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:37:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:37:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:37:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:37:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:37:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:37:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:37:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:37:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:37:44,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:37:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:37:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:37:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:37:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:37:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:37:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:37:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:37:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:37:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:37:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:37:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:37:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:37:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:37:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:37:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:37:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:37:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:37:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:37:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:37:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:37:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:37:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:37:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:37:45,218 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:37:45,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:37:46,010 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:37:46,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:37:46,532 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:37:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:46 BoogieIcfgContainer [2023-03-31 23:37:46,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:37:46,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:37:46,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:37:46,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:37:46,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:37:44" (1/3) ... [2023-03-31 23:37:46,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a435c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:46, skipping insertion in model container [2023-03-31 23:37:46,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:44" (2/3) ... [2023-03-31 23:37:46,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a435c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:46, skipping insertion in model container [2023-03-31 23:37:46,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:46" (3/3) ... [2023-03-31 23:37:46,545 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product22.cil.c [2023-03-31 23:37:46,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:37:46,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:37:46,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:37:46,622 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;@495ad4bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:37:46,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:37:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 185 states have (on average 1.1945945945945946) internal successors, (221), 193 states have internal predecessors, (221), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 23:37:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-03-31 23:37:46,650 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:46,651 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-03-31 23:37:46,652 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:46,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash -269021598, now seen corresponding path program 1 times [2023-03-31 23:37:46,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:46,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143493809] [2023-03-31 23:37:46,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:46,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:47,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143493809] [2023-03-31 23:37:47,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143493809] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:47,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:37:47,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84654085] [2023-03-31 23:37:47,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:47,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:37:47,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:47,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:37:47,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:47,069 INFO L87 Difference]: Start difference. First operand has 369 states, 185 states have (on average 1.1945945945945946) internal successors, (221), 193 states have internal predecessors, (221), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:37:47,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:47,147 INFO L93 Difference]: Finished difference Result 539 states and 637 transitions. [2023-03-31 23:37:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:37:47,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 158 [2023-03-31 23:37:47,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:47,158 INFO L225 Difference]: With dead ends: 539 [2023-03-31 23:37:47,158 INFO L226 Difference]: Without dead ends: 348 [2023-03-31 23:37:47,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:47,163 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:47,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:37:47,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-03-31 23:37:47,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2023-03-31 23:37:47,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 176 states have (on average 1.1818181818181819) internal successors, (208), 181 states have internal predecessors, (208), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 23:37:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 409 transitions. [2023-03-31 23:37:47,211 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 409 transitions. Word has length 158 [2023-03-31 23:37:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:47,212 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 409 transitions. [2023-03-31 23:37:47,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:37:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 409 transitions. [2023-03-31 23:37:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-03-31 23:37:47,215 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:47,215 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-03-31 23:37:47,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:37:47,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:47,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:47,216 INFO L85 PathProgramCache]: Analyzing trace with hash -477246996, now seen corresponding path program 1 times [2023-03-31 23:37:47,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:47,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192091051] [2023-03-31 23:37:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:47,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:47,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192091051] [2023-03-31 23:37:47,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192091051] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:47,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:47,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:47,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878020081] [2023-03-31 23:37:47,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:47,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:47,441 INFO L87 Difference]: Start difference. First operand 348 states and 409 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:37:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:47,556 INFO L93 Difference]: Finished difference Result 524 states and 606 transitions. [2023-03-31 23:37:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:47,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 159 [2023-03-31 23:37:47,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:47,563 INFO L225 Difference]: With dead ends: 524 [2023-03-31 23:37:47,563 INFO L226 Difference]: Without dead ends: 350 [2023-03-31 23:37:47,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:47,568 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 0 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:47,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 738 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-03-31 23:37:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2023-03-31 23:37:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 178 states have (on average 1.1797752808988764) internal successors, (210), 183 states have internal predecessors, (210), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 23:37:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 411 transitions. [2023-03-31 23:37:47,589 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 411 transitions. Word has length 159 [2023-03-31 23:37:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:47,589 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 411 transitions. [2023-03-31 23:37:47,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 23:37:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 411 transitions. [2023-03-31 23:37:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-03-31 23:37:47,591 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:47,591 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, 1] [2023-03-31 23:37:47,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:37:47,592 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:47,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash 444411825, now seen corresponding path program 1 times [2023-03-31 23:37:47,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:47,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292844605] [2023-03-31 23:37:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:47,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:47,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292844605] [2023-03-31 23:37:47,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292844605] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838826460] [2023-03-31 23:37:47,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:47,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:47,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:47,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:47,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:47,778 INFO L87 Difference]: Start difference. First operand 350 states and 411 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-03-31 23:37:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:47,885 INFO L93 Difference]: Finished difference Result 684 states and 832 transitions. [2023-03-31 23:37:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:47,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 171 [2023-03-31 23:37:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:47,888 INFO L225 Difference]: With dead ends: 684 [2023-03-31 23:37:47,888 INFO L226 Difference]: Without dead ends: 392 [2023-03-31 23:37:47,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:47,889 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 53 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:47,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 740 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-03-31 23:37:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 391. [2023-03-31 23:37:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 210 states have (on average 1.2523809523809524) internal successors, (263), 215 states have internal predecessors, (263), 112 states have call successors, (112), 72 states have call predecessors, (112), 68 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 23:37:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 482 transitions. [2023-03-31 23:37:47,918 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 482 transitions. Word has length 171 [2023-03-31 23:37:47,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:47,918 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 482 transitions. [2023-03-31 23:37:47,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-03-31 23:37:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 482 transitions. [2023-03-31 23:37:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-03-31 23:37:47,920 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:47,920 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, 1, 1] [2023-03-31 23:37:47,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:37:47,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:47,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:47,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2058131009, now seen corresponding path program 1 times [2023-03-31 23:37:47,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:47,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212442091] [2023-03-31 23:37:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:48,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:48,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212442091] [2023-03-31 23:37:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212442091] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:37:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242881234] [2023-03-31 23:37:48,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:48,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:37:48,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:48,141 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:37:48,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:37:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:48,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 2257 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:37:48,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:37:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:48,707 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:37:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242881234] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:37:48,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1850733894] [2023-03-31 23:37:48,900 INFO L159 IcfgInterpreter]: Started Sifa with 157 locations of interest [2023-03-31 23:37:48,900 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:37:48,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:37:48,908 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:37:48,908 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:37:52,070 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:37:52,684 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 311 for LOIs [2023-03-31 23:37:56,986 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:37:59,133 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:38:00,416 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:38:01,119 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:38:02,423 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:38:03,202 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:38:04,765 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:38:05,641 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:38:05,745 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:38:05,851 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:38:05,914 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 292 for LOIs [2023-03-31 23:38:11,408 INFO L197 IcfgInterpreter]: Interpreting procedure rjhSetAutoRespond with input of size 232 for LOIs [2023-03-31 23:38:12,008 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAutoResponse with input of size 236 for LOIs [2023-03-31 23:38:12,108 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 235 for LOIs [2023-03-31 23:38:12,332 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 239 for LOIs [2023-03-31 23:38:13,353 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 225 for LOIs [2023-03-31 23:38:14,735 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:38:14,823 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:38:14,886 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 235 for LOIs [2023-03-31 23:38:16,592 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 213 for LOIs [2023-03-31 23:38:16,759 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 235 for LOIs [2023-03-31 23:38:18,199 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2023-03-31 23:38:18,558 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 235 for LOIs [2023-03-31 23:38:19,397 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 215 for LOIs [2023-03-31 23:38:19,668 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 237 for LOIs [2023-03-31 23:38:20,540 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 215 for LOIs [2023-03-31 23:38:20,668 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Forward with input of size 229 for LOIs [2023-03-31 23:38:21,983 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 219 for LOIs [2023-03-31 23:38:22,091 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__AutoResponder with input of size 229 for LOIs [2023-03-31 23:38:23,317 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Encrypt with input of size 217 for LOIs [2023-03-31 23:38:23,879 INFO L197 IcfgInterpreter]: Interpreting procedure deliver with input of size 217 for LOIs [2023-03-31 23:38:23,954 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAutoResponse with input of size 215 for LOIs [2023-03-31 23:38:24,083 INFO L197 IcfgInterpreter]: Interpreting procedure getClientForwardReceiver with input of size 209 for LOIs [2023-03-31 23:38:24,204 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 207 for LOIs [2023-03-31 23:38:24,306 INFO L180 IcfgInterpreter]: Interpretation finished