/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_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:31:40,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:31:40,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:31:40,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:31:40,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:31:40,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:31:40,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:31:40,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:31:40,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:31:40,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:31:40,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:31:40,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:31:40,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:31:40,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:31:40,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:31:40,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:31:40,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:31:40,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:31:40,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:31:40,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:31:40,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:31:40,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:31:40,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:31:40,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:31:40,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:31:40,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:31:40,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:31:40,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:31:40,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:31:40,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:31:40,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:31:40,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:31:40,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:31:40,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:31:40,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:31:40,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:31:40,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:31:40,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:31:40,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:31:40,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:31:40,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:31:40,124 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 00:31:40,146 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:31:40,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:31:40,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:31:40,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:31:40,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:31:40,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:31:40,147 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:31:40,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:31:40,147 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:31:40,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:31:40,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:31:40,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:31:40,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:31:40,149 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:31:40,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:40,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:31:40,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:31:40,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:31:40,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:31:40,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:31:40,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:31:40,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:31:40,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:31:40,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:31:40,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:31:40,325 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:31:40,325 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:31:40,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2023-04-03 00:31:41,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:31:41,558 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:31:41,558 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product28.cil.c [2023-04-03 00:31:41,577 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5092260/4a9fe7644d5443be8cfda18a319c4a01/FLAG17887480f [2023-04-03 00:31:41,592 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5092260/4a9fe7644d5443be8cfda18a319c4a01 [2023-04-03 00:31:41,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:31:41,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:31:41,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:41,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:31:41,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:31:41,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:41" (1/1) ... [2023-04-03 00:31:41,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fffd144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:41, skipping insertion in model container [2023-04-03 00:31:41,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:41" (1/1) ... [2023-04-03 00:31:41,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:31:41,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:31:41,876 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_spec4_product28.cil.c[8467,8480] [2023-04-03 00:31:42,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:42,071 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:31:42,100 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_spec4_product28.cil.c[8467,8480] [2023-04-03 00:31:42,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:42,228 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:31:42,233 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:31:42,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42 WrapperNode [2023-04-03 00:31:42,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:42,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:31:42,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:31:42,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:31:42,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:31:42,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:31:42,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:31:42,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:31:42,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:42,410 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 00:31:42,416 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 00:31:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:31:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:31:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:31:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:31:42,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:31:42,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:31:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:31:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:31:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:31:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:31:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:31:42,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:31:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:31:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:31:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:31:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:31:42,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:31:42,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-03 00:31:42,454 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:31:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:31:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:31:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:31:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:31:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:31:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:31:42,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:31:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:31:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:31:42,459 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:31:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:31:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:31:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:31:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:31:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:31:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:31:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:31:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:31:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:31:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:31:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:31:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:31:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-03 00:31:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:31:42,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:31:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:31:42,735 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:31:42,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:31:43,565 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:31:44,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:31:44,123 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:31:44,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:44 BoogieIcfgContainer [2023-04-03 00:31:44,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:31:44,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:31:44,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:31:44,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:31:44,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:31:41" (1/3) ... [2023-04-03 00:31:44,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6494aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:44, skipping insertion in model container [2023-04-03 00:31:44,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (2/3) ... [2023-04-03 00:31:44,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6494aa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:44, skipping insertion in model container [2023-04-03 00:31:44,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:44" (3/3) ... [2023-04-03 00:31:44,137 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product28.cil.c [2023-04-03 00:31:44,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:31:44,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:31:44,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:31:44,205 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;@490505f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:31:44,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:31:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 373 states, 190 states have (on average 1.2105263157894737) internal successors, (230), 198 states have internal predecessors, (230), 106 states have call successors, (106), 68 states have call predecessors, (106), 68 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-03 00:31:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 00:31:44,232 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:44,233 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] [2023-04-03 00:31:44,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:44,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:44,239 INFO L85 PathProgramCache]: Analyzing trace with hash -989832533, now seen corresponding path program 1 times [2023-04-03 00:31:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:44,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103849563] [2023-04-03 00:31:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:44,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:44,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103849563] [2023-04-03 00:31:44,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103849563] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:44,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:44,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:31:44,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070593933] [2023-04-03 00:31:44,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:44,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:31:44,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:44,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:31:44,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:31:44,718 INFO L87 Difference]: Start difference. First operand has 373 states, 190 states have (on average 1.2105263157894737) internal successors, (230), 198 states have internal predecessors, (230), 106 states have call successors, (106), 68 states have call predecessors, (106), 68 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:44,846 INFO L93 Difference]: Finished difference Result 519 states and 617 transitions. [2023-04-03 00:31:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:31:44,848 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 129 [2023-04-03 00:31:44,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:44,859 INFO L225 Difference]: With dead ends: 519 [2023-04-03 00:31:44,859 INFO L226 Difference]: Without dead ends: 331 [2023-04-03 00:31:44,864 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 00:31:44,867 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:44,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 366 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:44,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-04-03 00:31:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2023-04-03 00:31:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 172 states have (on average 1.2093023255813953) internal successors, (208), 177 states have internal predecessors, (208), 95 states have call successors, (95), 67 states have call predecessors, (95), 63 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:31:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 393 transitions. [2023-04-03 00:31:44,913 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 393 transitions. Word has length 129 [2023-04-03 00:31:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:44,914 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 393 transitions. [2023-04-03 00:31:44,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 393 transitions. [2023-04-03 00:31:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 00:31:44,917 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:44,917 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] [2023-04-03 00:31:44,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:31:44,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:44,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:44,918 INFO L85 PathProgramCache]: Analyzing trace with hash -87098285, now seen corresponding path program 1 times [2023-04-03 00:31:44,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:44,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611076136] [2023-04-03 00:31:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:44,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:45,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611076136] [2023-04-03 00:31:45,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611076136] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:45,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:45,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:45,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185928115] [2023-04-03 00:31:45,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:45,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:45,199 INFO L87 Difference]: Start difference. First operand 331 states and 393 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:45,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:45,306 INFO L93 Difference]: Finished difference Result 504 states and 588 transitions. [2023-04-03 00:31:45,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:45,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 130 [2023-04-03 00:31:45,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:45,310 INFO L225 Difference]: With dead ends: 504 [2023-04-03 00:31:45,310 INFO L226 Difference]: Without dead ends: 333 [2023-04-03 00:31:45,310 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 00:31:45,311 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:45,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 712 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:45,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-04-03 00:31:45,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2023-04-03 00:31:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 174 states have (on average 1.206896551724138) internal successors, (210), 179 states have internal predecessors, (210), 95 states have call successors, (95), 67 states have call predecessors, (95), 63 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:31:45,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 395 transitions. [2023-04-03 00:31:45,329 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 395 transitions. Word has length 130 [2023-04-03 00:31:45,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:45,329 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 395 transitions. [2023-04-03 00:31:45,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 395 transitions. [2023-04-03 00:31:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:31:45,331 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:45,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:31:45,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:31:45,332 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:45,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1909269885, now seen corresponding path program 1 times [2023-04-03 00:31:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420692782] [2023-04-03 00:31:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:45,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420692782] [2023-04-03 00:31:45,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420692782] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:45,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:45,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181585354] [2023-04-03 00:31:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:45,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:45,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:45,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:45,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:45,475 INFO L87 Difference]: Start difference. First operand 333 states and 395 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:45,588 INFO L93 Difference]: Finished difference Result 646 states and 794 transitions. [2023-04-03 00:31:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:45,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 135 [2023-04-03 00:31:45,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:45,591 INFO L225 Difference]: With dead ends: 646 [2023-04-03 00:31:45,591 INFO L226 Difference]: Without dead ends: 371 [2023-04-03 00:31:45,592 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 00:31:45,593 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 51 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:45,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 712 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:45,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-04-03 00:31:45,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 370. [2023-04-03 00:31:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 204 states have (on average 1.2794117647058822) internal successors, (261), 209 states have internal predecessors, (261), 102 states have call successors, (102), 67 states have call predecessors, (102), 63 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-03 00:31:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 460 transitions. [2023-04-03 00:31:45,612 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 460 transitions. Word has length 135 [2023-04-03 00:31:45,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:45,613 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 460 transitions. [2023-04-03 00:31:45,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 460 transitions. [2023-04-03 00:31:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 00:31:45,614 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:45,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:31:45,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:31:45,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:45,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:45,615 INFO L85 PathProgramCache]: Analyzing trace with hash 756810410, now seen corresponding path program 1 times [2023-04-03 00:31:45,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:45,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038504745] [2023-04-03 00:31:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:45,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038504745] [2023-04-03 00:31:45,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038504745] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:31:45,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458310643] [2023-04-03 00:31:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:31:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:45,841 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 00:31:45,843 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 00:31:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:46,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:31:46,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:31:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:46,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:31:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458310643] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:31:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1416868212] [2023-04-03 00:31:46,480 INFO L159 IcfgInterpreter]: Started Sifa with 123 locations of interest [2023-04-03 00:31:46,480 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:31:46,483 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:31:46,486 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:31:46,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:31:50,013 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:31:50,583 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 305 for LOIs [2023-04-03 00:31:55,531 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:31:57,987 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:31:59,445 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:32:00,197 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:32:01,603 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:32:02,432 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:35:43,903 WARN L223 SmtUtils]: Spent 3.66m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:35:44,042 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs