/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_spec0_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:39:16,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:39:16,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:39:16,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:39:16,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:39:16,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:39:16,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:39:16,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:39:16,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:39:16,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:39:16,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:39:16,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:39:16,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:39:16,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:39:16,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:39:16,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:39:16,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:39:16,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:39:16,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:39:16,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:39:16,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:39:16,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:39:16,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:39:16,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:39:16,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:39:16,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:39:16,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:39:16,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:39:16,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:39:16,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:39:16,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:39:16,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:39:16,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:39:16,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:39:16,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:39:16,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:39:16,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:39:16,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:39:16,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:39:16,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:39:16,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:39:16,974 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 [2023-04-01 05:39:16,998 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:39:16,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:39:16,999 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:39:16,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:39:17,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:39:17,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:39:17,000 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:39:17,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:39:17,001 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:39:17,001 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:39:17,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:39:17,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:39:17,003 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:39:17,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:39:17,003 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:39:17,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:39:17,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:39:17,005 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:39:17,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:39:17,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:39:17,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:39:17,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:39:17,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:39:17,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:39:17,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:39:17,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:39:17,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:39:17,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:39:17,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:39:17,271 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:39:17,271 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:39:17,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2023-04-01 05:39:18,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:39:18,817 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:39:18,818 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2023-04-01 05:39:18,850 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdf79d13c/79ad430c0e5649bfa285be7558213eb0/FLAGc41f83db9 [2023-04-01 05:39:18,865 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdf79d13c/79ad430c0e5649bfa285be7558213eb0 [2023-04-01 05:39:18,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:39:18,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:39:18,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:39:18,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:39:18,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:39:18,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:39:18" (1/1) ... [2023-04-01 05:39:18,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2279a02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:18, skipping insertion in model container [2023-04-01 05:39:18,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:39:18" (1/1) ... [2023-04-01 05:39:18,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:39:18,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:39:19,292 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_spec0_product24.cil.c[25283,25296] [2023-04-01 05:39:19,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:39:19,473 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:39:19,528 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_spec0_product24.cil.c[25283,25296] [2023-04-01 05:39:19,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:39:19,595 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:39:19,602 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:39:19,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19 WrapperNode [2023-04-01 05:39:19,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:39:19,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:39:19,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:39:19,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:39:19,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:39:19,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:39:19,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:39:19,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:39:19,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (1/1) ... [2023-04-01 05:39:19,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:39:19,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:39:19,805 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) [2023-04-01 05:39:19,838 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 [2023-04-01 05:39:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:39:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:39:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:39:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:39:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:39:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-01 05:39:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:39:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:39:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:39:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:39:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 05:39:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:39:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:39:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:39:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:39:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:39:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:39:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:39:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:39:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:39:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:39:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:39:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 05:39:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:39:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:39:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:39:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:39:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:39:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:39:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:39:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:39:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:39:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:39:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:39:20,168 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:39:20,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:39:21,518 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:39:22,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:39:22,278 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:39:22,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:39:22 BoogieIcfgContainer [2023-04-01 05:39:22,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:39:22,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:39:22,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:39:22,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:39:22,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:39:18" (1/3) ... [2023-04-01 05:39:22,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfb8cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:39:22, skipping insertion in model container [2023-04-01 05:39:22,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:39:19" (2/3) ... [2023-04-01 05:39:22,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cfb8cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:39:22, skipping insertion in model container [2023-04-01 05:39:22,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:39:22" (3/3) ... [2023-04-01 05:39:22,294 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2023-04-01 05:39:22,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:39:22,312 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:39:22,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:39:22,367 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;@1c88c0ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:39:22,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:39:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 190 states have (on average 1.1894736842105262) internal successors, (226), 198 states have internal predecessors, (226), 109 states have call successors, (109), 76 states have call predecessors, (109), 76 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-01 05:39:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-04-01 05:39:22,391 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:22,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:22,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:22,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash 6949419, now seen corresponding path program 1 times [2023-04-01 05:39:22,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:22,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567110114] [2023-04-01 05:39:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:22,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:22,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567110114] [2023-04-01 05:39:22,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567110114] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:22,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:22,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:39:22,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092672272] [2023-04-01 05:39:22,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:22,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:39:22,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:23,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:39:23,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:39:23,011 INFO L87 Difference]: Start difference. First operand has 380 states, 190 states have (on average 1.1894736842105262) internal successors, (226), 198 states have internal predecessors, (226), 109 states have call successors, (109), 76 states have call predecessors, (109), 76 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-01 05:39:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:23,187 INFO L93 Difference]: Finished difference Result 561 states and 655 transitions. [2023-04-01 05:39:23,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:39:23,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 156 [2023-04-01 05:39:23,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:23,203 INFO L225 Difference]: With dead ends: 561 [2023-04-01 05:39:23,203 INFO L226 Difference]: Without dead ends: 359 [2023-04-01 05:39:23,207 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 [2023-04-01 05:39:23,210 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:23,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 385 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-04-01 05:39:23,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2023-04-01 05:39:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 181 states have (on average 1.1767955801104972) internal successors, (213), 186 states have internal predecessors, (213), 105 states have call successors, (105), 76 states have call predecessors, (105), 72 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 05:39:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 418 transitions. [2023-04-01 05:39:23,272 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 418 transitions. Word has length 156 [2023-04-01 05:39:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:23,273 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 418 transitions. [2023-04-01 05:39:23,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-01 05:39:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 418 transitions. [2023-04-01 05:39:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-01 05:39:23,278 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:23,278 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:23,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:39:23,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:23,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:23,279 INFO L85 PathProgramCache]: Analyzing trace with hash -375388636, now seen corresponding path program 1 times [2023-04-01 05:39:23,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:23,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433042878] [2023-04-01 05:39:23,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:23,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:23,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:23,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433042878] [2023-04-01 05:39:23,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433042878] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:23,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:23,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:39:23,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396911758] [2023-04-01 05:39:23,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:23,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:39:23,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:23,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:39:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:39:23,705 INFO L87 Difference]: Start difference. First operand 359 states and 418 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-01 05:39:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:23,800 INFO L93 Difference]: Finished difference Result 546 states and 624 transitions. [2023-04-01 05:39:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:39:23,800 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 157 [2023-04-01 05:39:23,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:23,808 INFO L225 Difference]: With dead ends: 546 [2023-04-01 05:39:23,808 INFO L226 Difference]: Without dead ends: 361 [2023-04-01 05:39:23,814 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 [2023-04-01 05:39:23,816 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:23,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 750 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:23,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2023-04-01 05:39:23,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2023-04-01 05:39:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 183 states have (on average 1.174863387978142) internal successors, (215), 188 states have internal predecessors, (215), 105 states have call successors, (105), 76 states have call predecessors, (105), 72 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 05:39:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 420 transitions. [2023-04-01 05:39:23,855 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 420 transitions. Word has length 157 [2023-04-01 05:39:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:23,856 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 420 transitions. [2023-04-01 05:39:23,857 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, (46), 2 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-01 05:39:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 420 transitions. [2023-04-01 05:39:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-01 05:39:23,863 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:23,863 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:23,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:39:23,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:23,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:23,864 INFO L85 PathProgramCache]: Analyzing trace with hash 477598982, now seen corresponding path program 1 times [2023-04-01 05:39:23,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189727536] [2023-04-01 05:39:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:24,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:24,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189727536] [2023-04-01 05:39:24,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189727536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:39:24,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:39:24,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:39:24,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525422605] [2023-04-01 05:39:24,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:39:24,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:39:24,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:39:24,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:39:24,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:39:24,090 INFO L87 Difference]: Start difference. First operand 361 states and 420 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:39:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:39:24,215 INFO L93 Difference]: Finished difference Result 706 states and 850 transitions. [2023-04-01 05:39:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:39:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 169 [2023-04-01 05:39:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:39:24,219 INFO L225 Difference]: With dead ends: 706 [2023-04-01 05:39:24,219 INFO L226 Difference]: Without dead ends: 403 [2023-04-01 05:39:24,221 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 [2023-04-01 05:39:24,221 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 53 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:39:24,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 752 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:39:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-04-01 05:39:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2023-04-01 05:39:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 215 states have (on average 1.2465116279069768) internal successors, (268), 220 states have internal predecessors, (268), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-01 05:39:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 491 transitions. [2023-04-01 05:39:24,245 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 491 transitions. Word has length 169 [2023-04-01 05:39:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:39:24,245 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 491 transitions. [2023-04-01 05:39:24,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:39:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 491 transitions. [2023-04-01 05:39:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-01 05:39:24,249 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:39:24,249 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:39:24,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:39:24,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:39:24,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:39:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash -692993240, now seen corresponding path program 1 times [2023-04-01 05:39:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:39:24,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429369604] [2023-04-01 05:39:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:24,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:39:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:24,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:39:24,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429369604] [2023-04-01 05:39:24,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429369604] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:39:24,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644897943] [2023-04-01 05:39:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:39:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:39:24,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:39:24,582 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) [2023-04-01 05:39:24,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:39:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:39:25,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 2291 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:39:25,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:39:25,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:25,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:39:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 05:39:25,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644897943] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:39:25,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [729003117] [2023-04-01 05:39:25,476 INFO L159 IcfgInterpreter]: Started Sifa with 155 locations of interest [2023-04-01 05:39:25,476 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:39:25,480 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:39:25,485 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:39:25,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:39:30,947 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:39:31,615 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 315 for LOIs [2023-04-01 05:39:38,194 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:39:40,953 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:39:42,462 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:39:43,182 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:39:44,708 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:39:45,541 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs