/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:21:47,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:21:47,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:21:47,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:21:47,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:21:47,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:21:47,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:21:47,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:21:47,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:21:47,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:21:47,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:21:47,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:21:47,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:21:47,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:21:47,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:21:47,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:21:47,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:21:47,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:21:47,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:21:47,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:21:47,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:21:47,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:21:47,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:21:47,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:21:47,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:21:47,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:21:47,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:21:47,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:21:47,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:21:47,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:21:47,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:21:47,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:21:47,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:21:47,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:21:47,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:21:47,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:21:47,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:21:47,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:21:47,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:21:47,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:21:47,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:21:47,417 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 00:21:47,431 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:21:47,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:21:47,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:21:47,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:21:47,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:21:47,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:21:47,433 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:21:47,434 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:21:47,434 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:21:47,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:21:47,434 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:21:47,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:21:47,434 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:21:47,435 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:21:47,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:21:47,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:21:47,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:21:47,437 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:21:47,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:21:47,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:21:47,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:21:47,437 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:21:47,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:21:47,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:21:47,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:21:47,603 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:21:47,603 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:21:47,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2023-04-03 00:21:48,537 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:21:48,837 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:21:48,837 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2023-04-03 00:21:48,854 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a259ae6/f76b07a0737243a8ae4308a185a3998c/FLAGc0474d900 [2023-04-03 00:21:48,864 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21a259ae6/f76b07a0737243a8ae4308a185a3998c [2023-04-03 00:21:48,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:21:48,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:21:48,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:21:48,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:21:48,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:21:48,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:21:48" (1/1) ... [2023-04-03 00:21:48,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d3c6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:48, skipping insertion in model container [2023-04-03 00:21:48,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:21:48" (1/1) ... [2023-04-03 00:21:48,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:21:48,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:21:49,267 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2023-04-03 00:21:49,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:21:49,319 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:21:49,404 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c[61351,61364] [2023-04-03 00:21:49,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:21:49,435 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:21:49,439 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:21:49,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49 WrapperNode [2023-04-03 00:21:49,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:21:49,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:21:49,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:21:49,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:21:49,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:21:49,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:21:49,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:21:49,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:21:49,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (1/1) ... [2023-04-03 00:21:49,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:21:49,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:21:49,627 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 00:21:49,650 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 00:21:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:21:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:21:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:21:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:21:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:21:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:21:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:21:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:21:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:21:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:21:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:21:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:21:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:21:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:21:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:21:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:21:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:21:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:21:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:21:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:21:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:21:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:21:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:21:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:21:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:21:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:21:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:21:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:21:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:21:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:21:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:21:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:21:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:21:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:21:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:21:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:21:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:21:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:21:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:21:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:21:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:21:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:21:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:21:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:21:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:21:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:21:50,056 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:21:50,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:21:50,923 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:21:51,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:21:51,471 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:21:51,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:21:51 BoogieIcfgContainer [2023-04-03 00:21:51,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:21:51,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:21:51,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:21:51,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:21:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:21:48" (1/3) ... [2023-04-03 00:21:51,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351b5f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:21:51, skipping insertion in model container [2023-04-03 00:21:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:21:49" (2/3) ... [2023-04-03 00:21:51,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351b5f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:21:51, skipping insertion in model container [2023-04-03 00:21:51,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:21:51" (3/3) ... [2023-04-03 00:21:51,484 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product31.cil.c [2023-04-03 00:21:51,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:21:51,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:21:51,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:21:51,555 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;@745425ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:21:51,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:21:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 208 states have (on average 1.1971153846153846) internal successors, (249), 217 states have internal predecessors, (249), 120 states have call successors, (120), 79 states have call predecessors, (120), 79 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2023-04-03 00:21:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-04-03 00:21:51,584 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:21:51,585 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] [2023-04-03 00:21:51,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:21:51,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:21:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2135236631, now seen corresponding path program 1 times [2023-04-03 00:21:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:21:51,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867652115] [2023-04-03 00:21:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:21:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:21:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:21:52,078 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 00:21:52,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:21:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867652115] [2023-04-03 00:21:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867652115] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:21:52,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:21:52,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:21:52,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744987720] [2023-04-03 00:21:52,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:21:52,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:21:52,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:21:52,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:21:52,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:21:52,121 INFO L87 Difference]: Start difference. First operand has 412 states, 208 states have (on average 1.1971153846153846) internal successors, (249), 217 states have internal predecessors, (249), 120 states have call successors, (120), 79 states have call predecessors, (120), 79 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:52,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:21:52,281 INFO L93 Difference]: Finished difference Result 632 states and 755 transitions. [2023-04-03 00:21:52,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:21:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 167 [2023-04-03 00:21:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:21:52,301 INFO L225 Difference]: With dead ends: 632 [2023-04-03 00:21:52,302 INFO L226 Difference]: Without dead ends: 391 [2023-04-03 00:21:52,308 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 00:21:52,312 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:21:52,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:21:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-04-03 00:21:52,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2023-04-03 00:21:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 199 states have (on average 1.185929648241206) internal successors, (236), 205 states have internal predecessors, (236), 116 states have call successors, (116), 79 states have call predecessors, (116), 75 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-04-03 00:21:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 463 transitions. [2023-04-03 00:21:52,390 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 463 transitions. Word has length 167 [2023-04-03 00:21:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:21:52,392 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 463 transitions. [2023-04-03 00:21:52,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 463 transitions. [2023-04-03 00:21:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-03 00:21:52,396 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:21:52,396 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] [2023-04-03 00:21:52,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:21:52,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:21:52,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:21:52,397 INFO L85 PathProgramCache]: Analyzing trace with hash -384307767, now seen corresponding path program 1 times [2023-04-03 00:21:52,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:21:52,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314019822] [2023-04-03 00:21:52,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:21:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:21:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:21:52,679 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 00:21:52,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:21:52,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314019822] [2023-04-03 00:21:52,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314019822] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:21:52,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:21:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:21:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306926742] [2023-04-03 00:21:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:21:52,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:21:52,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:21:52,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:21:52,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:21:52,683 INFO L87 Difference]: Start difference. First operand 391 states and 463 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:21:52,777 INFO L93 Difference]: Finished difference Result 617 states and 721 transitions. [2023-04-03 00:21:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:21:52,778 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 168 [2023-04-03 00:21:52,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:21:52,781 INFO L225 Difference]: With dead ends: 617 [2023-04-03 00:21:52,781 INFO L226 Difference]: Without dead ends: 393 [2023-04-03 00:21:52,785 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 00:21:52,786 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 0 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:21:52,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 834 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:21:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-04-03 00:21:52,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2023-04-03 00:21:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 207 states have internal predecessors, (238), 116 states have call successors, (116), 79 states have call predecessors, (116), 75 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-04-03 00:21:52,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 465 transitions. [2023-04-03 00:21:52,844 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 465 transitions. Word has length 168 [2023-04-03 00:21:52,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:21:52,844 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 465 transitions. [2023-04-03 00:21:52,844 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, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 465 transitions. [2023-04-03 00:21:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-03 00:21:52,850 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:21:52,850 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:21:52,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:21:52,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:21:52,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:21:52,851 INFO L85 PathProgramCache]: Analyzing trace with hash -717923104, now seen corresponding path program 1 times [2023-04-03 00:21:52,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:21:52,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070396536] [2023-04-03 00:21:52,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:21:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:21:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:21:52,994 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 00:21:52,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:21:52,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070396536] [2023-04-03 00:21:52,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070396536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:21:52,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:21:52,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:21:52,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119860149] [2023-04-03 00:21:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:21:52,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:21:52,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:21:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:21:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:21:53,000 INFO L87 Difference]: Start difference. First operand 393 states and 465 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:21:53,079 INFO L93 Difference]: Finished difference Result 768 states and 937 transitions. [2023-04-03 00:21:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:21:53,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 173 [2023-04-03 00:21:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:21:53,083 INFO L225 Difference]: With dead ends: 768 [2023-04-03 00:21:53,084 INFO L226 Difference]: Without dead ends: 433 [2023-04-03 00:21:53,086 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 00:21:53,090 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 52 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:21:53,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 836 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:21:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-04-03 00:21:53,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2023-04-03 00:21:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 232 states have (on average 1.25) internal successors, (290), 238 states have internal predecessors, (290), 124 states have call successors, (124), 79 states have call predecessors, (124), 75 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:21:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 533 transitions. [2023-04-03 00:21:53,109 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 533 transitions. Word has length 173 [2023-04-03 00:21:53,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:21:53,109 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 533 transitions. [2023-04-03 00:21:53,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:21:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 533 transitions. [2023-04-03 00:21:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-03 00:21:53,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:21:53,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:21:53,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:21:53,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:21:53,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:21:53,113 INFO L85 PathProgramCache]: Analyzing trace with hash 235502935, now seen corresponding path program 1 times [2023-04-03 00:21:53,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:21:53,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446766708] [2023-04-03 00:21:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:21:53,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:21:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:21:53,361 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 00:21:53,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:21:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446766708] [2023-04-03 00:21:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446766708] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:21:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970643431] [2023-04-03 00:21:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:21:53,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:21:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:21:53,365 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 00:21:53,367 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 00:21:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:21:53,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:21:53,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:21:53,956 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 00:21:53,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:21:54,116 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 00:21:54,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970643431] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:21:54,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1820056292] [2023-04-03 00:21:54,134 INFO L159 IcfgInterpreter]: Started Sifa with 157 locations of interest [2023-04-03 00:21:54,134 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:21:54,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:21:54,140 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:21:54,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:21:57,326 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:21:57,938 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 317 for LOIs [2023-04-03 00:22:02,685 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:22:05,024 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:22:06,460 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:22:07,178 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:22:08,542 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:22:09,348 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:25:41,577 WARN L223 SmtUtils]: Spent 3.51m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:25:41,709 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs