/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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:14:58,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:14:58,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:14:58,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:14:58,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:14:58,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:14:58,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:14:58,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:14:58,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:14:58,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:14:58,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:14:58,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:14:58,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:14:58,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:14:58,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:14:58,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:14:58,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:14:58,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:14:58,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:14:58,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:14:58,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:14:58,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:14:58,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:14:58,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:14:58,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:14:58,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:14:58,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:14:58,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:14:58,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:14:58,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:14:58,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:14:58,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:14:58,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:14:58,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:14:58,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:14:58,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:14:58,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:14:58,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:14:58,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:14:58,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:14:58,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:14:58,479 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 00:14:58,497 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:14:58,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:14:58,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:14:58,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:14:58,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:14:58,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:14:58,499 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:14:58,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:14:58,500 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:14:58,500 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:14:58,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:14:58,500 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:14:58,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:14:58,501 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:14:58,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:14:58,502 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:14:58,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:14:58,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:14:58,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:14:58,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:14:58,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:14:58,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:14:58,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:14:58,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:14:58,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:14:58,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:14:58,784 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:14:58,789 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:14:58,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2023-04-03 00:14:59,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:15:00,271 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:15:00,272 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product32.cil.c [2023-04-03 00:15:00,314 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e1bba86/b48a249b665749bc8125860e7ac57b15/FLAG768bf5a5f [2023-04-03 00:15:00,332 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4e1bba86/b48a249b665749bc8125860e7ac57b15 [2023-04-03 00:15:00,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:15:00,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:15:00,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:15:00,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:15:00,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:15:00,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:15:00" (1/1) ... [2023-04-03 00:15:00,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439e700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:00, skipping insertion in model container [2023-04-03 00:15:00,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:15:00" (1/1) ... [2023-04-03 00:15:00,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:15:00,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:15:01,085 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_spec1_product32.cil.c[65472,65485] [2023-04-03 00:15:01,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:15:01,112 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:15:01,260 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_spec1_product32.cil.c[65472,65485] [2023-04-03 00:15:01,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:15:01,292 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:15:01,298 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:15:01,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01 WrapperNode [2023-04-03 00:15:01,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:15:01,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:15:01,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:15:01,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:15:01,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:15:01,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:15:01,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:15:01,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:15:01,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (1/1) ... [2023-04-03 00:15:01,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:15:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:15:01,524 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 00:15:01,546 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 00:15:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:15:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:15:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:15:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-03 00:15:01,565 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:15:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:15:01,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:15:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:15:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:15:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:15:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:15:01,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:15:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:15:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:15:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:15:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:15:01,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:15:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:15:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:15:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:15:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:15:01,571 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:15:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:15:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:15:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:15:01,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:15:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:15:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:15:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:15:01,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:15:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:15:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:15:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:15:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:15:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:15:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:15:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:15:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:15:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-03 00:15:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:15:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:15:01,579 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:15:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:15:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:15:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:15:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:15:01,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:15:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:15:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:15:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:15:01,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:15:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:15:01,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:15:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:15:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:15:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:15:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:15:01,589 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:15:01,590 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:15:01,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:15:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:15:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-03 00:15:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:15:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:15:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:15:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:15:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:15:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:15:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:15:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:15:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:15:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:15:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:15:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:15:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:15:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:15:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:15:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:15:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:15:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:15:01,978 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:15:01,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:15:03,293 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:15:04,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:15:04,150 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:15:04,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:15:04 BoogieIcfgContainer [2023-04-03 00:15:04,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:15:04,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:15:04,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:15:04,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:15:04,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:15:00" (1/3) ... [2023-04-03 00:15:04,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7587b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:15:04, skipping insertion in model container [2023-04-03 00:15:04,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:15:01" (2/3) ... [2023-04-03 00:15:04,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7587b95d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:15:04, skipping insertion in model container [2023-04-03 00:15:04,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:15:04" (3/3) ... [2023-04-03 00:15:04,163 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2023-04-03 00:15:04,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:15:04,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:15:04,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:15:04,266 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;@585d5458, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:15:04,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:15:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 222 states have (on average 1.1936936936936937) internal successors, (265), 232 states have internal predecessors, (265), 130 states have call successors, (130), 82 states have call predecessors, (130), 82 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-03 00:15:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 00:15:04,302 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:15:04,304 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] [2023-04-03 00:15:04,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:15:04,312 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:15:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1321744695, now seen corresponding path program 1 times [2023-04-03 00:15:04,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:15:04,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635577036] [2023-04-03 00:15:04,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:04,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:15:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:04,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:15:04,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635577036] [2023-04-03 00:15:04,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635577036] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:15:04,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:15:04,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:15:04,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661171406] [2023-04-03 00:15:04,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:15:04,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:15:04,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:15:04,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:15:04,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:15:04,944 INFO L87 Difference]: Start difference. First operand has 444 states, 222 states have (on average 1.1936936936936937) internal successors, (265), 232 states have internal predecessors, (265), 130 states have call successors, (130), 82 states have call predecessors, (130), 82 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:15:05,142 INFO L93 Difference]: Finished difference Result 628 states and 750 transitions. [2023-04-03 00:15:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:15:05,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 132 [2023-04-03 00:15:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:15:05,172 INFO L225 Difference]: With dead ends: 628 [2023-04-03 00:15:05,172 INFO L226 Difference]: Without dead ends: 396 [2023-04-03 00:15:05,176 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 00:15:05,179 INFO L413 NwaCegarLoop]: 433 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, 433 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 00:15:05,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:15:05,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-04-03 00:15:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-04-03 00:15:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 200 states have (on average 1.19) internal successors, (238), 207 states have internal predecessors, (238), 118 states have call successors, (118), 81 states have call predecessors, (118), 77 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-04-03 00:15:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 469 transitions. [2023-04-03 00:15:05,250 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 469 transitions. Word has length 132 [2023-04-03 00:15:05,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:15:05,252 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 469 transitions. [2023-04-03 00:15:05,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 469 transitions. [2023-04-03 00:15:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-03 00:15:05,258 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:15:05,258 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] [2023-04-03 00:15:05,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:15:05,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:15:05,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:15:05,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2089762766, now seen corresponding path program 1 times [2023-04-03 00:15:05,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:15:05,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33433239] [2023-04-03 00:15:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:05,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:15:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:05,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:15:05,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33433239] [2023-04-03 00:15:05,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33433239] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:15:05,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:15:05,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:15:05,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908811138] [2023-04-03 00:15:05,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:15:05,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:15:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:15:05,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:15:05,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:15:05,666 INFO L87 Difference]: Start difference. First operand 396 states and 469 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:15:05,798 INFO L93 Difference]: Finished difference Result 613 states and 718 transitions. [2023-04-03 00:15:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:15:05,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 133 [2023-04-03 00:15:05,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:15:05,804 INFO L225 Difference]: With dead ends: 613 [2023-04-03 00:15:05,804 INFO L226 Difference]: Without dead ends: 398 [2023-04-03 00:15:05,811 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 00:15:05,813 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 0 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 846 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 00:15:05,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 846 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:15:05,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-04-03 00:15:05,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-04-03 00:15:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 202 states have (on average 1.188118811881188) internal successors, (240), 209 states have internal predecessors, (240), 118 states have call successors, (118), 81 states have call predecessors, (118), 77 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-04-03 00:15:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 471 transitions. [2023-04-03 00:15:05,860 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 471 transitions. Word has length 133 [2023-04-03 00:15:05,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:15:05,861 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 471 transitions. [2023-04-03 00:15:05,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 471 transitions. [2023-04-03 00:15:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 00:15:05,866 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:15:05,867 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] [2023-04-03 00:15:05,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:15:05,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:15:05,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:15:05,868 INFO L85 PathProgramCache]: Analyzing trace with hash 178608836, now seen corresponding path program 1 times [2023-04-03 00:15:05,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:15:05,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268571261] [2023-04-03 00:15:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:15:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:06,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:15:06,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268571261] [2023-04-03 00:15:06,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268571261] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:15:06,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:15:06,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:15:06,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862533036] [2023-04-03 00:15:06,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:15:06,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:15:06,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:15:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:15:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:15:06,116 INFO L87 Difference]: Start difference. First operand 398 states and 471 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:06,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:15:06,279 INFO L93 Difference]: Finished difference Result 780 states and 952 transitions. [2023-04-03 00:15:06,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:15:06,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 142 [2023-04-03 00:15:06,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:15:06,283 INFO L225 Difference]: With dead ends: 780 [2023-04-03 00:15:06,283 INFO L226 Difference]: Without dead ends: 440 [2023-04-03 00:15:06,284 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 00:15:06,285 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 53 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 846 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 00:15:06,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 846 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:15:06,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-04-03 00:15:06,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2023-04-03 00:15:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 234 states have (on average 1.2521367521367521) internal successors, (293), 241 states have internal predecessors, (293), 127 states have call successors, (127), 81 states have call predecessors, (127), 77 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2023-04-03 00:15:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 542 transitions. [2023-04-03 00:15:06,319 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 542 transitions. Word has length 142 [2023-04-03 00:15:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:15:06,320 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 542 transitions. [2023-04-03 00:15:06,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 542 transitions. [2023-04-03 00:15:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-03 00:15:06,322 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:15:06,322 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] [2023-04-03 00:15:06,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:15:06,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:15:06,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:15:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1224826942, now seen corresponding path program 1 times [2023-04-03 00:15:06,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:15:06,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361027727] [2023-04-03 00:15:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:06,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:15:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:06,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:15:06,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361027727] [2023-04-03 00:15:06,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361027727] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:15:06,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:15:06,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:15:06,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407266038] [2023-04-03 00:15:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:15:06,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:15:06,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:15:06,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:15:06,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:15:06,535 INFO L87 Difference]: Start difference. First operand 439 states and 542 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:15:06,651 INFO L93 Difference]: Finished difference Result 900 states and 1160 transitions. [2023-04-03 00:15:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:15:06,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2023-04-03 00:15:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:15:06,659 INFO L225 Difference]: With dead ends: 900 [2023-04-03 00:15:06,659 INFO L226 Difference]: Without dead ends: 519 [2023-04-03 00:15:06,660 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 00:15:06,668 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 51 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 844 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 00:15:06,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 844 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:15:06,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2023-04-03 00:15:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 518. [2023-04-03 00:15:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 296 states have (on average 1.3344594594594594) internal successors, (395), 303 states have internal predecessors, (395), 144 states have call successors, (144), 81 states have call predecessors, (144), 77 states have return successors, (139), 138 states have call predecessors, (139), 139 states have call successors, (139) [2023-04-03 00:15:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 678 transitions. [2023-04-03 00:15:06,702 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 678 transitions. Word has length 143 [2023-04-03 00:15:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:15:06,703 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 678 transitions. [2023-04-03 00:15:06,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:15:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 678 transitions. [2023-04-03 00:15:06,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 00:15:06,707 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:15:06,707 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] [2023-04-03 00:15:06,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:15:06,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:15:06,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:15:06,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1764149677, now seen corresponding path program 1 times [2023-04-03 00:15:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:15:06,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559381775] [2023-04-03 00:15:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:15:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:07,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:15:07,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559381775] [2023-04-03 00:15:07,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559381775] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:15:07,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28108408] [2023-04-03 00:15:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:15:07,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:15:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:15:07,017 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 00:15:07,022 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 00:15:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:15:07,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 2537 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:15:07,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:15:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:07,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:15:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:15:07,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28108408] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:15:07,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [377948617] [2023-04-03 00:15:07,941 INFO L159 IcfgInterpreter]: Started Sifa with 135 locations of interest [2023-04-03 00:15:07,941 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:15:07,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:15:07,950 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:15:07,951 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:15:13,097 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:15:13,780 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 365 for LOIs [2023-04-03 00:15:21,492 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:15:24,299 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:15:25,791 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:15:26,708 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:15:28,287 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:15:29,170 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:19:06,928 WARN L223 SmtUtils]: Spent 3.60m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:19:07,071 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs