/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_spec3_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:26:53,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:26:53,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:26:53,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:26:53,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:26:53,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:26:53,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:26:53,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:26:53,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:26:53,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:26:53,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:26:53,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:26:53,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:26:53,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:26:53,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:26:53,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:26:53,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:26:53,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:26:53,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:26:53,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:26:53,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:26:53,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:26:53,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:26:53,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:26:53,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:26:53,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:26:53,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:26:53,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:26:53,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:26:53,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:26:53,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:26:53,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:26:53,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:26:53,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:26:53,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:26:53,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:26:53,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:26:53,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:26:53,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:26:53,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:26:53,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:26:53,062 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 00:26:53,082 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:26:53,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:26:53,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:26:53,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:26:53,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:26:53,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:26:53,083 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:26:53,084 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:26:53,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:26:53,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:26:53,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:26:53,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:26:53,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:26:53,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:26:53,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:26:53,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:26:53,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:26:53,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:26:53,256 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:26:53,257 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:26:53,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product30.cil.c [2023-04-03 00:26:54,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:26:54,671 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:26:54,672 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product30.cil.c [2023-04-03 00:26:54,683 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef0d8ce36/7722d025cefc47da8a61b75fb7538a00/FLAGee73fb220 [2023-04-03 00:26:54,692 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef0d8ce36/7722d025cefc47da8a61b75fb7538a00 [2023-04-03 00:26:54,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:26:54,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:26:54,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:26:54,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:26:54,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:26:54,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:26:54" (1/1) ... [2023-04-03 00:26:54,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d20279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:54, skipping insertion in model container [2023-04-03 00:26:54,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:26:54" (1/1) ... [2023-04-03 00:26:54,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:26:54,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:26:54,853 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_spec3_product30.cil.c[5243,5256] [2023-04-03 00:26:55,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:26:55,035 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:26:55,065 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_spec3_product30.cil.c[5243,5256] [2023-04-03 00:26:55,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:26:55,200 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:26:55,204 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:26:55,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55 WrapperNode [2023-04-03 00:26:55,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:26:55,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:26:55,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:26:55,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:26:55,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:26:55,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:26:55,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:26:55,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:26:55,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (1/1) ... [2023-04-03 00:26:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:26:55,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:26:55,341 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 00:26:55,360 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 00:26:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:26:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:26:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:26:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:26:55,372 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:26:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:26:55,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:26:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:26:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:26:55,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:26:55,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:26:55,377 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:26:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:26:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:26:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:26:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:26:55,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:26:55,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:26:55,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:26:55,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:26:55,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:26:55,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:26:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:26:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:26:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:26:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:26:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:26:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:26:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:26:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:26:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:26:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:26:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:26:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:26:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:26:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:26:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:26:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:26:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:26:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:26:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:26:55,618 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:26:55,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:26:56,449 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:26:56,980 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:26:56,981 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:26:56,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:26:56 BoogieIcfgContainer [2023-04-03 00:26:56,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:26:56,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:26:56,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:26:56,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:26:56,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:26:54" (1/3) ... [2023-04-03 00:26:56,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7f47c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:26:56, skipping insertion in model container [2023-04-03 00:26:56,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:26:55" (2/3) ... [2023-04-03 00:26:56,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b7f47c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:26:56, skipping insertion in model container [2023-04-03 00:26:56,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:26:56" (3/3) ... [2023-04-03 00:26:56,992 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product30.cil.c [2023-04-03 00:26:57,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:26:57,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:26:57,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:26:57,058 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;@1718353b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:26:57,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:26:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 410 states, 207 states have (on average 1.2028985507246377) internal successors, (249), 217 states have internal predecessors, (249), 119 states have call successors, (119), 75 states have call predecessors, (119), 75 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:26:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 00:26:57,085 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:26:57,085 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] [2023-04-03 00:26:57,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:26:57,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:26:57,090 INFO L85 PathProgramCache]: Analyzing trace with hash -661172742, now seen corresponding path program 1 times [2023-04-03 00:26:57,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:26:57,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230485303] [2023-04-03 00:26:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:57,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:26:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:57,562 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 00:26:57,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:26:57,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230485303] [2023-04-03 00:26:57,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230485303] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:26:57,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:26:57,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:26:57,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017179852] [2023-04-03 00:26:57,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:26:57,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:26:57,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:26:57,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:26:57,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:26:57,599 INFO L87 Difference]: Start difference. First operand has 410 states, 207 states have (on average 1.2028985507246377) internal successors, (249), 217 states have internal predecessors, (249), 119 states have call successors, (119), 75 states have call predecessors, (119), 75 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:26:57,707 INFO L93 Difference]: Finished difference Result 586 states and 703 transitions. [2023-04-03 00:26:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:26:57,709 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2023-04-03 00:26:57,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:26:57,718 INFO L225 Difference]: With dead ends: 586 [2023-04-03 00:26:57,718 INFO L226 Difference]: Without dead ends: 368 [2023-04-03 00:26:57,723 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 00:26:57,729 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:26:57,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:26:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-04-03 00:26:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2023-04-03 00:26:57,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 189 states have (on average 1.2010582010582012) internal successors, (227), 196 states have internal predecessors, (227), 108 states have call successors, (108), 74 states have call predecessors, (108), 70 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-03 00:26:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 437 transitions. [2023-04-03 00:26:57,797 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 437 transitions. Word has length 152 [2023-04-03 00:26:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:26:57,798 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 437 transitions. [2023-04-03 00:26:57,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 437 transitions. [2023-04-03 00:26:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-03 00:26:57,801 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:26:57,801 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] [2023-04-03 00:26:57,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:26:57,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:26:57,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:26:57,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1674512794, now seen corresponding path program 1 times [2023-04-03 00:26:57,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:26:57,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655682398] [2023-04-03 00:26:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:26:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:58,096 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 00:26:58,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:26:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655682398] [2023-04-03 00:26:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655682398] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:26:58,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:26:58,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:26:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787685007] [2023-04-03 00:26:58,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:26:58,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:26:58,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:26:58,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:26:58,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:26:58,101 INFO L87 Difference]: Start difference. First operand 368 states and 437 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:26:58,188 INFO L93 Difference]: Finished difference Result 571 states and 669 transitions. [2023-04-03 00:26:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:26:58,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 153 [2023-04-03 00:26:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:26:58,191 INFO L225 Difference]: With dead ends: 571 [2023-04-03 00:26:58,191 INFO L226 Difference]: Without dead ends: 370 [2023-04-03 00:26:58,192 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 00:26:58,193 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 0 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:26:58,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 792 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:26:58,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-04-03 00:26:58,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2023-04-03 00:26:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 191 states have (on average 1.198952879581152) internal successors, (229), 198 states have internal predecessors, (229), 108 states have call successors, (108), 74 states have call predecessors, (108), 70 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-03 00:26:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 439 transitions. [2023-04-03 00:26:58,212 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 439 transitions. Word has length 153 [2023-04-03 00:26:58,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:26:58,213 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 439 transitions. [2023-04-03 00:26:58,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 439 transitions. [2023-04-03 00:26:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-03 00:26:58,215 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:26:58,215 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] [2023-04-03 00:26:58,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:26:58,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:26:58,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:26:58,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1307609887, now seen corresponding path program 1 times [2023-04-03 00:26:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:26:58,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337411806] [2023-04-03 00:26:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:58,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:26:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:58,347 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 00:26:58,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:26:58,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337411806] [2023-04-03 00:26:58,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337411806] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:26:58,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:26:58,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:26:58,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535463670] [2023-04-03 00:26:58,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:26:58,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:26:58,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:26:58,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:26:58,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:26:58,352 INFO L87 Difference]: Start difference. First operand 370 states and 439 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:26:58,484 INFO L93 Difference]: Finished difference Result 722 states and 885 transitions. [2023-04-03 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:26:58,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 162 [2023-04-03 00:26:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:26:58,486 INFO L225 Difference]: With dead ends: 722 [2023-04-03 00:26:58,486 INFO L226 Difference]: Without dead ends: 410 [2023-04-03 00:26:58,488 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 00:26:58,489 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 52 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:26:58,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 792 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:26:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-04-03 00:26:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 409. [2023-04-03 00:26:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 222 states have (on average 1.2657657657657657) internal successors, (281), 229 states have internal predecessors, (281), 116 states have call successors, (116), 74 states have call predecessors, (116), 70 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-04-03 00:26:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 507 transitions. [2023-04-03 00:26:58,503 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 507 transitions. Word has length 162 [2023-04-03 00:26:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:26:58,503 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 507 transitions. [2023-04-03 00:26:58,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 507 transitions. [2023-04-03 00:26:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-04-03 00:26:58,505 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:26:58,506 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] [2023-04-03 00:26:58,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:26:58,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:26:58,506 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:26:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -2018928934, now seen corresponding path program 1 times [2023-04-03 00:26:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:26:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403389462] [2023-04-03 00:26:58,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:26:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:58,704 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 00:26:58,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:26:58,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403389462] [2023-04-03 00:26:58,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403389462] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:26:58,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:26:58,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:26:58,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976781185] [2023-04-03 00:26:58,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:26:58,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:26:58,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:26:58,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:26:58,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:26:58,707 INFO L87 Difference]: Start difference. First operand 409 states and 507 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:26:58,788 INFO L93 Difference]: Finished difference Result 836 states and 1084 transitions. [2023-04-03 00:26:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:26:58,788 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 163 [2023-04-03 00:26:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:26:58,794 INFO L225 Difference]: With dead ends: 836 [2023-04-03 00:26:58,794 INFO L226 Difference]: Without dead ends: 485 [2023-04-03 00:26:58,796 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 00:26:58,803 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 50 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:26:58,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 792 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:26:58,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-04-03 00:26:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2023-04-03 00:26:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 282 states have (on average 1.351063829787234) internal successors, (381), 289 states have internal predecessors, (381), 131 states have call successors, (131), 74 states have call predecessors, (131), 70 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2023-04-03 00:26:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 637 transitions. [2023-04-03 00:26:58,823 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 637 transitions. Word has length 163 [2023-04-03 00:26:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:26:58,824 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 637 transitions. [2023-04-03 00:26:58,824 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:26:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 637 transitions. [2023-04-03 00:26:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-03 00:26:58,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:26:58,829 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] [2023-04-03 00:26:58,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:26:58,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:26:58,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:26:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 574680576, now seen corresponding path program 1 times [2023-04-03 00:26:58,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:26:58,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314791984] [2023-04-03 00:26:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:58,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:26:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:59,021 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 00:26:59,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:26:59,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314791984] [2023-04-03 00:26:59,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314791984] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:26:59,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311094638] [2023-04-03 00:26:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:26:59,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:26:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:26:59,039 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 00:26:59,076 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 00:26:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:26:59,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:26:59,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:26:59,570 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 00:26:59,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:26:59,716 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 00:26:59,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311094638] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:26:59,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2003732494] [2023-04-03 00:26:59,732 INFO L159 IcfgInterpreter]: Started Sifa with 149 locations of interest [2023-04-03 00:26:59,732 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:26:59,735 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:26:59,738 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:26:59,738 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:27:03,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:27:03,838 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 323 for LOIs [2023-04-03 00:27:09,002 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:27:11,446 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:27:12,874 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:27:13,642 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:27:15,091 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:27:15,949 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:31:01,217 WARN L223 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:31:01,359 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs