/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_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:23:29,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:23:29,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:23:29,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:23:29,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:23:29,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:23:29,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:23:29,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:23:29,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:23:29,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:23:29,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:23:29,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:23:29,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:23:29,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:23:29,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:23:29,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:23:29,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:23:29,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:23:29,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:23:29,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:23:29,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:23:29,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:23:29,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:23:29,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:23:29,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:23:29,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:23:29,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:23:29,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:23:29,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:23:29,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:23:29,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:23:29,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:23:29,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:23:29,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:23:29,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:23:29,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:23:29,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:23:29,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:23:29,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:23:29,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:23:29,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:23:29,189 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 00:23:29,213 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:23:29,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:23:29,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:23:29,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:23:29,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:23:29,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:23:29,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:23:29,215 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:23:29,216 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:23:29,216 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:23:29,216 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:23:29,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:23:29,216 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:23:29,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:23:29,217 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:23:29,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:23:29,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:23:29,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:23:29,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:23:29,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:23:29,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:23:29,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:23:29,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:23:29,219 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:23:29,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:23:29,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:23:29,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:23:29,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:23:29,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:23:29,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:23:29,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:23:29,452 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:23:29,452 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:23:29,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2023-04-03 00:23:30,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:23:31,011 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:23:31,025 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2023-04-03 00:23:31,054 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad97b25f/4e3d31d95f2f407780b92364adf1221e/FLAGa603d847c [2023-04-03 00:23:31,067 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad97b25f/4e3d31d95f2f407780b92364adf1221e [2023-04-03 00:23:31,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:23:31,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:23:31,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:23:31,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:23:31,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:23:31,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aecd1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31, skipping insertion in model container [2023-04-03 00:23:31,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:23:31,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:23:31,435 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_spec3_product19.cil.c[8336,8349] [2023-04-03 00:23:31,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:23:31,723 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:23:31,754 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_spec3_product19.cil.c[8336,8349] [2023-04-03 00:23:31,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:23:31,827 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:23:31,833 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:23:31,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31 WrapperNode [2023-04-03 00:23:31,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:23:31,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:23:31,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:23:31,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:23:31,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:31,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:32,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:23:32,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:23:32,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:23:32,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:23:32,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (1/1) ... [2023-04-03 00:23:32,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:23:32,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:23:32,046 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 00:23:32,052 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 00:23:32,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:23:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:23:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:23:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:23:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:23:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:23:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:23:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:23:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:23:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:23:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:23:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:23:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:23:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:23:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:23:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:23:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:23:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:23:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:23:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:23:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:23:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:23:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:23:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:23:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:23:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:23:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:23:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:23:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:23:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:23:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:23:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:23:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:23:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:23:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:23:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:23:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:23:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:23:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:23:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:23:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:23:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:23:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:23:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:23:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:23:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:23:32,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:23:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:23:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:23:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:23:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:23:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:23:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:23:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:23:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:23:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:23:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:23:32,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:23:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:23:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:23:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:23:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:23:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:23:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:23:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:23:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:23:32,147 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:23:32,148 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:23:32,149 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:23:32,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:23:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:23:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:23:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:23:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:23:32,464 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:23:32,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:23:33,587 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:23:34,380 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:23:34,380 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:23:34,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:23:34 BoogieIcfgContainer [2023-04-03 00:23:34,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:23:34,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:23:34,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:23:34,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:23:34,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:23:31" (1/3) ... [2023-04-03 00:23:34,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cf562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:23:34, skipping insertion in model container [2023-04-03 00:23:34,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:23:31" (2/3) ... [2023-04-03 00:23:34,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cf562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:23:34, skipping insertion in model container [2023-04-03 00:23:34,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:23:34" (3/3) ... [2023-04-03 00:23:34,392 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product19.cil.c [2023-04-03 00:23:34,409 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:23:34,409 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:23:34,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:23:34,462 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;@1fc570cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:23:34,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:23:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 370 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 194 states have internal predecessors, (223), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:23:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-03 00:23:34,482 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:23:34,483 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:23:34,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:23:34,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:23:34,488 INFO L85 PathProgramCache]: Analyzing trace with hash -247722162, now seen corresponding path program 1 times [2023-04-03 00:23:34,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:23:34,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705001347] [2023-04-03 00:23:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:23:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:23:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:23:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:34,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:23:34,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705001347] [2023-04-03 00:23:34,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705001347] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:23:34,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:23:34,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:23:34,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702468978] [2023-04-03 00:23:34,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:23:34,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:23:34,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:23:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:23:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:23:34,985 INFO L87 Difference]: Start difference. First operand has 370 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 194 states have internal predecessors, (223), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:35,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:23:35,150 INFO L93 Difference]: Finished difference Result 548 states and 647 transitions. [2023-04-03 00:23:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:23:35,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 134 [2023-04-03 00:23:35,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:23:35,170 INFO L225 Difference]: With dead ends: 548 [2023-04-03 00:23:35,170 INFO L226 Difference]: Without dead ends: 349 [2023-04-03 00:23:35,175 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 00:23:35,178 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:23:35,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 378 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:23:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-04-03 00:23:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2023-04-03 00:23:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 177 states have (on average 1.1864406779661016) internal successors, (210), 182 states have internal predecessors, (210), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-03 00:23:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 410 transitions. [2023-04-03 00:23:35,238 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 410 transitions. Word has length 134 [2023-04-03 00:23:35,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:23:35,239 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 410 transitions. [2023-04-03 00:23:35,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 410 transitions. [2023-04-03 00:23:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:23:35,243 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:23:35,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:23:35,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:23:35,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:23:35,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:23:35,245 INFO L85 PathProgramCache]: Analyzing trace with hash 881202858, now seen corresponding path program 1 times [2023-04-03 00:23:35,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:23:35,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714656942] [2023-04-03 00:23:35,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:23:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:23:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:23:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:35,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:23:35,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714656942] [2023-04-03 00:23:35,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714656942] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:23:35,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:23:35,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:23:35,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134494183] [2023-04-03 00:23:35,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:23:35,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:23:35,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:23:35,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:23:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:23:35,612 INFO L87 Difference]: Start difference. First operand 349 states and 410 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:23:35,739 INFO L93 Difference]: Finished difference Result 533 states and 615 transitions. [2023-04-03 00:23:35,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:23:35,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 135 [2023-04-03 00:23:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:23:35,746 INFO L225 Difference]: With dead ends: 533 [2023-04-03 00:23:35,746 INFO L226 Difference]: Without dead ends: 351 [2023-04-03 00:23:35,752 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 00:23:35,754 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 0 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:23:35,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 736 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:23:35,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-04-03 00:23:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2023-04-03 00:23:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 179 states have (on average 1.1843575418994414) internal successors, (212), 184 states have internal predecessors, (212), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-03 00:23:35,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 412 transitions. [2023-04-03 00:23:35,795 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 412 transitions. Word has length 135 [2023-04-03 00:23:35,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:23:35,796 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 412 transitions. [2023-04-03 00:23:35,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 412 transitions. [2023-04-03 00:23:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-03 00:23:35,799 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:23:35,799 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:23:35,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:23:35,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:23:35,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:23:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash -478842326, now seen corresponding path program 1 times [2023-04-03 00:23:35,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:23:35,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498841283] [2023-04-03 00:23:35,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:23:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:23:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:23:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:36,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:23:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498841283] [2023-04-03 00:23:36,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498841283] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:23:36,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:23:36,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:23:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212139709] [2023-04-03 00:23:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:23:36,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:23:36,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:23:36,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:23:36,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:23:36,008 INFO L87 Difference]: Start difference. First operand 351 states and 412 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:36,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:23:36,189 INFO L93 Difference]: Finished difference Result 684 states and 831 transitions. [2023-04-03 00:23:36,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:23:36,190 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 140 [2023-04-03 00:23:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:23:36,193 INFO L225 Difference]: With dead ends: 684 [2023-04-03 00:23:36,193 INFO L226 Difference]: Without dead ends: 391 [2023-04-03 00:23:36,194 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 00:23:36,195 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 52 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:23:36,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 734 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:23:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-04-03 00:23:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 390. [2023-04-03 00:23:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 210 states have (on average 1.2571428571428571) internal successors, (264), 215 states have internal predecessors, (264), 111 states have call successors, (111), 72 states have call predecessors, (111), 68 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-03 00:23:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2023-04-03 00:23:36,225 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 140 [2023-04-03 00:23:36,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:23:36,226 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2023-04-03 00:23:36,226 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:23:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2023-04-03 00:23:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 00:23:36,232 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:23:36,232 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:23:36,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:23:36,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:23:36,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:23:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1906102451, now seen corresponding path program 1 times [2023-04-03 00:23:36,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:23:36,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40929786] [2023-04-03 00:23:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:23:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:23:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:23:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:36,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:23:36,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40929786] [2023-04-03 00:23:36,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40929786] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:23:36,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846499297] [2023-04-03 00:23:36,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:23:36,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:23:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:23:36,545 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 00:23:36,547 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 00:23:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:23:37,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:23:37,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:23:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:37,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:23:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:23:37,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846499297] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:23:37,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1481843920] [2023-04-03 00:23:37,292 INFO L159 IcfgInterpreter]: Started Sifa with 130 locations of interest [2023-04-03 00:23:37,292 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:23:37,296 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:23:37,300 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:23:37,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:23:42,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:23:42,979 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 315 for LOIs [2023-04-03 00:23:49,170 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:23:51,926 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:23:53,664 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:23:54,460 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:23:55,928 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:23:56,818 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:27:42,143 WARN L223 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:27:42,292 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs