/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_spec7_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:42:14,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:42:14,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:42:14,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:42:14,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:42:14,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:42:14,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:42:14,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:42:14,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:42:14,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:42:14,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:42:14,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:42:14,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:42:14,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:42:14,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:42:14,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:42:14,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:42:14,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:42:14,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:42:14,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:42:14,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:42:14,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:42:14,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:42:14,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:42:14,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:42:14,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:42:14,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:42:14,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:42:14,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:42:14,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:42:14,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:42:14,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:42:14,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:42:14,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:42:14,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:42:14,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:42:14,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:42:14,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:42:14,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:42:14,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:42:14,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:42:14,206 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 00:42:14,242 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:42:14,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:42:14,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:42:14,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:42:14,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:42:14,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:42:14,244 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:42:14,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:42:14,244 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:42:14,244 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:42:14,245 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:42:14,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:42:14,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:42:14,246 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:42:14,246 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:42:14,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:42:14,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:42:14,246 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:42:14,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:42:14,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:42:14,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:42:14,248 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:42:14,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:42:14,248 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:42:14,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:42:14,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:42:14,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:42:14,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:42:14,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:42:14,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:42:14,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:42:14,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:42:14,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:42:14,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:42:14,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:42:14,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:42:14,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:42:14,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:42:14,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:42:14,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:42:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:42:14,490 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:42:14,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product28.cil.c [2023-04-03 00:42:15,651 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:42:15,959 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:42:15,960 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product28.cil.c [2023-04-03 00:42:15,980 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d56c3733/6518f43a1c4c42678bb48796b2c0118a/FLAGe54b85a15 [2023-04-03 00:42:15,996 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d56c3733/6518f43a1c4c42678bb48796b2c0118a [2023-04-03 00:42:15,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:42:16,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:42:16,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:42:16,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:42:16,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:42:16,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:42:15" (1/1) ... [2023-04-03 00:42:16,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575f49fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16, skipping insertion in model container [2023-04-03 00:42:16,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:42:15" (1/1) ... [2023-04-03 00:42:16,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:42:16,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:42:16,200 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_spec7_product28.cil.c[1542,1555] [2023-04-03 00:42:16,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:42:16,569 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:42:16,581 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_spec7_product28.cil.c[1542,1555] [2023-04-03 00:42:16,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:42:16,718 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:42:16,724 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:42:16,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16 WrapperNode [2023-04-03 00:42:16,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:42:16,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:42:16,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:42:16,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:42:16,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:42:16,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:42:16,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:42:16,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:42:16,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (1/1) ... [2023-04-03 00:42:16,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:42:16,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:42:16,911 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 00:42:16,953 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 00:42:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:42:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:42:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:42:16,973 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:42:16,974 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:42:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:42:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:42:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:42:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:42:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:42:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:42:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:42:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:42:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:42:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:42:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:42:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:42:17,340 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:42:17,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:42:18,425 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:42:19,197 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:42:19,197 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:42:19,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:42:19 BoogieIcfgContainer [2023-04-03 00:42:19,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:42:19,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:42:19,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:42:19,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:42:19,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:42:15" (1/3) ... [2023-04-03 00:42:19,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab92a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:42:19, skipping insertion in model container [2023-04-03 00:42:19,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:42:16" (2/3) ... [2023-04-03 00:42:19,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab92a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:42:19, skipping insertion in model container [2023-04-03 00:42:19,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:42:19" (3/3) ... [2023-04-03 00:42:19,214 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product28.cil.c [2023-04-03 00:42:19,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:42:19,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:42:19,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:42:19,300 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;@3fe86cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:42:19,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:42:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 187 states have (on average 1.2085561497326203) internal successors, (226), 195 states have internal predecessors, (226), 105 states have call successors, (105), 68 states have call predecessors, (105), 68 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-03 00:42:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-03 00:42:19,320 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:19,321 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] [2023-04-03 00:42:19,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:19,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:19,326 INFO L85 PathProgramCache]: Analyzing trace with hash 40783919, now seen corresponding path program 1 times [2023-04-03 00:42:19,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:19,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603816059] [2023-04-03 00:42:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:19,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:19,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:19,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603816059] [2023-04-03 00:42:19,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603816059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:19,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:19,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:42:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182164161] [2023-04-03 00:42:19,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:19,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:42:19,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:19,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:42:19,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:42:19,925 INFO L87 Difference]: Start difference. First operand has 369 states, 187 states have (on average 1.2085561497326203) internal successors, (226), 195 states have internal predecessors, (226), 105 states have call successors, (105), 68 states have call predecessors, (105), 68 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:20,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:20,055 INFO L93 Difference]: Finished difference Result 511 states and 608 transitions. [2023-04-03 00:42:20,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:42:20,058 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 145 [2023-04-03 00:42:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:20,076 INFO L225 Difference]: With dead ends: 511 [2023-04-03 00:42:20,076 INFO L226 Difference]: Without dead ends: 327 [2023-04-03 00:42:20,083 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 00:42:20,089 INFO L413 NwaCegarLoop]: 360 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, 360 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 00:42:20,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-04-03 00:42:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2023-04-03 00:42:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 169 states have (on average 1.2071005917159763) internal successors, (204), 174 states have internal predecessors, (204), 94 states have call successors, (94), 67 states have call predecessors, (94), 63 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-03 00:42:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 387 transitions. [2023-04-03 00:42:20,154 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 387 transitions. Word has length 145 [2023-04-03 00:42:20,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:20,156 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 387 transitions. [2023-04-03 00:42:20,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 387 transitions. [2023-04-03 00:42:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 00:42:20,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:20,174 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] [2023-04-03 00:42:20,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:42:20,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:20,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:20,175 INFO L85 PathProgramCache]: Analyzing trace with hash -435659759, now seen corresponding path program 1 times [2023-04-03 00:42:20,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390303077] [2023-04-03 00:42:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:20,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:20,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390303077] [2023-04-03 00:42:20,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390303077] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:20,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:20,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:42:20,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132623612] [2023-04-03 00:42:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:20,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:42:20,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:42:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:42:20,550 INFO L87 Difference]: Start difference. First operand 327 states and 387 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:20,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:20,665 INFO L93 Difference]: Finished difference Result 496 states and 576 transitions. [2023-04-03 00:42:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:42:20,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 146 [2023-04-03 00:42:20,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:20,669 INFO L225 Difference]: With dead ends: 496 [2023-04-03 00:42:20,669 INFO L226 Difference]: Without dead ends: 329 [2023-04-03 00:42:20,670 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 00:42:20,671 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 700 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 00:42:20,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-04-03 00:42:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2023-04-03 00:42:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 171 states have (on average 1.2046783625730995) internal successors, (206), 176 states have internal predecessors, (206), 94 states have call successors, (94), 67 states have call predecessors, (94), 63 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-03 00:42:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 389 transitions. [2023-04-03 00:42:20,703 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 389 transitions. Word has length 146 [2023-04-03 00:42:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:20,703 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 389 transitions. [2023-04-03 00:42:20,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 389 transitions. [2023-04-03 00:42:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 00:42:20,713 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:20,713 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] [2023-04-03 00:42:20,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:42:20,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:20,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:20,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2002671835, now seen corresponding path program 1 times [2023-04-03 00:42:20,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:20,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415850392] [2023-04-03 00:42:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:20,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:20,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:20,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415850392] [2023-04-03 00:42:20,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415850392] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:42:20,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:42:20,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:42:20,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257334769] [2023-04-03 00:42:20,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:42:20,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:42:20,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:42:20,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:42:20,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:42:20,902 INFO L87 Difference]: Start difference. First operand 329 states and 389 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:42:21,004 INFO L93 Difference]: Finished difference Result 638 states and 782 transitions. [2023-04-03 00:42:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:42:21,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 151 [2023-04-03 00:42:21,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:42:21,009 INFO L225 Difference]: With dead ends: 638 [2023-04-03 00:42:21,010 INFO L226 Difference]: Without dead ends: 367 [2023-04-03 00:42:21,014 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 00:42:21,017 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 51 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 700 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 00:42:21,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 700 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:42:21,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-04-03 00:42:21,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 366. [2023-04-03 00:42:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 201 states have (on average 1.2786069651741294) internal successors, (257), 206 states have internal predecessors, (257), 101 states have call successors, (101), 67 states have call predecessors, (101), 63 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-03 00:42:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 454 transitions. [2023-04-03 00:42:21,057 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 454 transitions. Word has length 151 [2023-04-03 00:42:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:42:21,058 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 454 transitions. [2023-04-03 00:42:21,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:42:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 454 transitions. [2023-04-03 00:42:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-03 00:42:21,091 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:42:21,092 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] [2023-04-03 00:42:21,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:42:21,092 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:42:21,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:42:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -978923374, now seen corresponding path program 1 times [2023-04-03 00:42:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:42:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871390474] [2023-04-03 00:42:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:42:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:21,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:42:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871390474] [2023-04-03 00:42:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871390474] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:42:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089316898] [2023-04-03 00:42:21,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:42:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:42:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:42:21,335 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 00:42:21,337 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 00:42:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:42:21,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:42:21,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:42:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:21,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:42:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-03 00:42:22,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089316898] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:42:22,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [849238004] [2023-04-03 00:42:22,134 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-03 00:42:22,134 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:42:22,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:42:22,141 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:42:22,142 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:42:26,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:42:27,492 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 305 for LOIs [2023-04-03 00:42:32,958 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:42:35,548 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:42:37,079 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:42:37,834 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:42:39,293 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:42:40,133 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:46:15,597 WARN L223 SmtUtils]: Spent 3.56m 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 00:46:15,751 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs