/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:42:12,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:42:12,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:42:12,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:42:12,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:42:12,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:42:12,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:42:12,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:42:12,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:42:12,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:42:12,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:42:12,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:42:12,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:42:12,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:42:13,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:42:13,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:42:13,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:42:13,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:42:13,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:42:13,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:42:13,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:42:13,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:42:13,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:42:13,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:42:13,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:42:13,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:42:13,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:42:13,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:42:13,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:42:13,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:42:13,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:42:13,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:42:13,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:42:13,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:42:13,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:42:13,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:42:13,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:42:13,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:42:13,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:42:13,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:42:13,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:42:13,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:42:13,059 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:42:13,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:42:13,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:42:13,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:42:13,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:42:13,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:42:13,060 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:42:13,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:42:13,060 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:42:13,060 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:42:13,060 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:42:13,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:42:13,061 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:42:13,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:42:13,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:42:13,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:42:13,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:42:13,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:42:13,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:42:13,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:42:13,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:42:13,258 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:42:13,259 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:42:13,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2023-03-31 23:42:14,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:42:14,444 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:42:14,444 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2023-03-31 23:42:14,462 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33837287/d9eb183a5c4e4d899be28f31f56eea4e/FLAG3d8b7042c [2023-03-31 23:42:14,475 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33837287/d9eb183a5c4e4d899be28f31f56eea4e [2023-03-31 23:42:14,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:42:14,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:42:14,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:42:14,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:42:14,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:42:14,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:42:14" (1/1) ... [2023-03-31 23:42:14,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef5808e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:14, skipping insertion in model container [2023-03-31 23:42:14,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:42:14" (1/1) ... [2023-03-31 23:42:14,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:42:14,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:42:14,812 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_product17.cil.c[18815,18828] [2023-03-31 23:42:14,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:42:14,909 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:42:14,937 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_product17.cil.c[18815,18828] [2023-03-31 23:42:14,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:42:14,997 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:42:15,002 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:42:15,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15 WrapperNode [2023-03-31 23:42:15,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:42:15,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:42:15,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:42:15,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:42:15,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:42:15,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:42:15,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:42:15,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:42:15,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (1/1) ... [2023-03-31 23:42:15,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:42:15,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:42:15,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:42:15,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:42:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:42:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:42:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:42:15,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:42:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:42:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:42:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 23:42:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:42:15,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:42:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:42:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:42:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:42:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:42:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:42:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:42:15,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:42:15,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:42:15,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:42:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:42:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:42:15,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:42:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:42:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:42:15,242 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:42:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:42:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:42:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:42:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:42:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:42:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:42:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:42:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:42:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:42:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:42:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:42:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:42:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:42:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:42:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:42:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:42:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 23:42:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:42:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 23:42:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:42:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:42:15,512 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:42:15,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:42:16,392 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:42:16,883 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:42:16,884 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:42:16,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:42:16 BoogieIcfgContainer [2023-03-31 23:42:16,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:42:16,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:42:16,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:42:16,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:42:16,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:42:14" (1/3) ... [2023-03-31 23:42:16,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a01abeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:42:16, skipping insertion in model container [2023-03-31 23:42:16,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:42:15" (2/3) ... [2023-03-31 23:42:16,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a01abeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:42:16, skipping insertion in model container [2023-03-31 23:42:16,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:42:16" (3/3) ... [2023-03-31 23:42:16,900 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product17.cil.c [2023-03-31 23:42:16,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:42:16,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:42:16,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:42:16,968 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;@42cec0bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:42:16,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:42:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 371 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 193 states have internal predecessors, (223), 107 states have call successors, (107), 69 states have call predecessors, (107), 69 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 23:42:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-03-31 23:42:16,994 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:42:16,995 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 23:42:16,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:42:17,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:42:17,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1859878670, now seen corresponding path program 1 times [2023-03-31 23:42:17,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:42:17,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109627870] [2023-03-31 23:42:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:42:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:42:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:42:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:17,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:42:17,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109627870] [2023-03-31 23:42:17,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109627870] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:42:17,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:42:17,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:42:17,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693834949] [2023-03-31 23:42:17,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:42:17,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:42:17,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:42:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:42:17,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:42:17,462 INFO L87 Difference]: Start difference. First operand has 371 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 193 states have internal predecessors, (223), 107 states have call successors, (107), 69 states have call predecessors, (107), 69 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:42:17,579 INFO L93 Difference]: Finished difference Result 503 states and 597 transitions. [2023-03-31 23:42:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:42:17,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 148 [2023-03-31 23:42:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:42:17,593 INFO L225 Difference]: With dead ends: 503 [2023-03-31 23:42:17,593 INFO L226 Difference]: Without dead ends: 330 [2023-03-31 23:42:17,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:42:17,601 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:42:17,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:42:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-03-31 23:42:17,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-03-31 23:42:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 167 states have (on average 1.1916167664670658) internal successors, (199), 171 states have internal predecessors, (199), 97 states have call successors, (97), 69 states have call predecessors, (97), 65 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:42:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 388 transitions. [2023-03-31 23:42:17,647 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 388 transitions. Word has length 148 [2023-03-31 23:42:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:42:17,648 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 388 transitions. [2023-03-31 23:42:17,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 388 transitions. [2023-03-31 23:42:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-03-31 23:42:17,651 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:42:17,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 23:42:17,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:42:17,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:42:17,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:42:17,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1192193360, now seen corresponding path program 1 times [2023-03-31 23:42:17,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:42:17,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112918960] [2023-03-31 23:42:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:42:17,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:42:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:42:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:17,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:42:17,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112918960] [2023-03-31 23:42:17,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112918960] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:42:17,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:42:17,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:42:17,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633083669] [2023-03-31 23:42:17,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:42:17,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:42:17,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:42:17,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:42:17,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:42:17,878 INFO L87 Difference]: Start difference. First operand 330 states and 388 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:42:17,992 INFO L93 Difference]: Finished difference Result 488 states and 563 transitions. [2023-03-31 23:42:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:42:17,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 149 [2023-03-31 23:42:17,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:42:18,002 INFO L225 Difference]: With dead ends: 488 [2023-03-31 23:42:18,002 INFO L226 Difference]: Without dead ends: 332 [2023-03-31 23:42:18,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:42:18,006 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:42:18,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:42:18,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-03-31 23:42:18,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-03-31 23:42:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 169 states have (on average 1.1893491124260356) internal successors, (201), 173 states have internal predecessors, (201), 97 states have call successors, (97), 69 states have call predecessors, (97), 65 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:42:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 390 transitions. [2023-03-31 23:42:18,027 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 390 transitions. Word has length 149 [2023-03-31 23:42:18,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:42:18,028 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 390 transitions. [2023-03-31 23:42:18,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 390 transitions. [2023-03-31 23:42:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 23:42:18,030 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:42:18,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:42:18,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:42:18,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:42:18,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:42:18,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1689710009, now seen corresponding path program 1 times [2023-03-31 23:42:18,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:42:18,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38350156] [2023-03-31 23:42:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:42:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:42:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:42:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:18,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:42:18,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38350156] [2023-03-31 23:42:18,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38350156] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:42:18,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:42:18,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:42:18,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544565291] [2023-03-31 23:42:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:42:18,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:42:18,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:42:18,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:42:18,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:42:18,241 INFO L87 Difference]: Start difference. First operand 332 states and 390 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:18,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:42:18,332 INFO L93 Difference]: Finished difference Result 646 states and 787 transitions. [2023-03-31 23:42:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:42:18,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 154 [2023-03-31 23:42:18,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:42:18,342 INFO L225 Difference]: With dead ends: 646 [2023-03-31 23:42:18,342 INFO L226 Difference]: Without dead ends: 372 [2023-03-31 23:42:18,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:42:18,344 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 52 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:42:18,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 700 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:42:18,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-03-31 23:42:18,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 371. [2023-03-31 23:42:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 200 states have (on average 1.265) internal successors, (253), 204 states have internal predecessors, (253), 105 states have call successors, (105), 69 states have call predecessors, (105), 65 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2023-03-31 23:42:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 458 transitions. [2023-03-31 23:42:18,384 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 458 transitions. Word has length 154 [2023-03-31 23:42:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:42:18,385 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 458 transitions. [2023-03-31 23:42:18,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 23:42:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 458 transitions. [2023-03-31 23:42:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 23:42:18,390 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:42:18,390 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:42:18,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:42:18,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:42:18,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:42:18,392 INFO L85 PathProgramCache]: Analyzing trace with hash -643531711, now seen corresponding path program 1 times [2023-03-31 23:42:18,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:42:18,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37963046] [2023-03-31 23:42:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:42:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:42:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:42:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:18,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:42:18,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37963046] [2023-03-31 23:42:18,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37963046] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:42:18,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433076703] [2023-03-31 23:42:18,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:42:18,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:42:18,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:42:18,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:42:18,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:42:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:42:19,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:42:19,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:42:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:19,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:42:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:42:19,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433076703] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:42:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [285405360] [2023-03-31 23:42:19,266 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2023-03-31 23:42:19,266 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:42:19,271 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:42:19,275 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:42:19,275 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:42:22,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:42:23,098 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 339 for LOIs [2023-03-31 23:42:28,394 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:42:30,595 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:42:32,056 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:42:32,763 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:42:34,090 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:42:34,883 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:42:36,490 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:42:37,387 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:42:37,494 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:42:37,601 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:42:37,664 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 320 for LOIs [2023-03-31 23:42:41,228 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 239 for LOIs [2023-03-31 23:42:41,478 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 243 for LOIs [2023-03-31 23:42:42,563 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 231 for LOIs [2023-03-31 23:42:44,096 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 225 for LOIs [2023-03-31 23:42:44,183 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:42:44,273 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:42:44,336 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 239 for LOIs [2023-03-31 23:42:45,176 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AddressBook with input of size 223 for LOIs [2023-03-31 23:42:46,075 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 205 for LOIs [2023-03-31 23:42:46,147 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 217 for LOIs [2023-03-31 23:42:47,438 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2023-03-31 23:42:47,817 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 217 for LOIs [2023-03-31 23:42:48,535 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 211 for LOIs [2023-03-31 23:42:48,633 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 219 for LOIs [2023-03-31 23:42:49,026 INFO L197 IcfgInterpreter]: Interpreting procedure verify with input of size 219 for LOIs [2023-03-31 23:42:49,654 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 211 for LOIs [2023-03-31 23:42:49,726 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 205 for LOIs [2023-03-31 23:42:49,831 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 223 for LOIs [2023-03-31 23:42:50,628 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 213 for LOIs [2023-03-31 23:42:50,738 INFO L180 IcfgInterpreter]: Interpretation finished