/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:32:05,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:32:05,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:32:05,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:32:05,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:32:05,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:32:05,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:32:05,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:32:05,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:32:05,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:32:05,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:32:05,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:32:05,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:32:05,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:32:05,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:32:05,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:32:05,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:32:05,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:32:05,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:32:05,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:32:05,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:32:05,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:32:05,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:32:05,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:32:05,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:32:05,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:32:05,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:32:05,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:32:05,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:32:05,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:32:05,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:32:05,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:32:05,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:32:05,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:32:05,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:32:05,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:32:05,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:32:05,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:32:05,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:32:05,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:32:05,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:32:05,326 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 00:32:05,345 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:32:05,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:32:05,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:32:05,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:32:05,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:32:05,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:32:05,346 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:32:05,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:32:05,346 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:32:05,347 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:32:05,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:32:05,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:32:05,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:32:05,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:32:05,348 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:32:05,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:32:05,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:32:05,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:32:05,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:32:05,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:32:05,350 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:32:05,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:32:05,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:32:05,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:32:05,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:32:05,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:32:05,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:32:05,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:32:05,607 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:32:05,608 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:32:05,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product31.cil.c [2023-04-03 00:32:06,779 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:32:07,052 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:32:07,053 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c [2023-04-03 00:32:07,071 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d12f6a66/ccb047b807344260bfa10f649697e42e/FLAG21b816e41 [2023-04-03 00:32:07,081 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d12f6a66/ccb047b807344260bfa10f649697e42e [2023-04-03 00:32:07,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:32:07,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:32:07,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:32:07,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:32:07,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:32:07,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@934157e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07, skipping insertion in model container [2023-04-03 00:32:07,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:32:07,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:32:07,409 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c[26985,26998] [2023-04-03 00:32:07,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:32:07,629 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:32:07,661 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product31.cil.c[26985,26998] [2023-04-03 00:32:07,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:32:07,724 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:32:07,731 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:32:07,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07 WrapperNode [2023-04-03 00:32:07,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:32:07,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:32:07,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:32:07,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:32:07,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:32:07,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:32:07,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:32:07,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:32:07,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (1/1) ... [2023-04-03 00:32:07,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:32:07,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:32:07,966 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 00:32:07,977 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 00:32:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:32:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:32:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:32:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:32:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:32:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:32:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:32:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:32:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:32:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:32:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:32:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:32:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:32:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:32:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:32:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:32:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:32:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:32:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:32:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:32:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:32:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:32:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:32:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:32:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:32:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:32:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:32:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:32:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:32:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:32:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:32:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:32:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:32:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:32:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:32:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:32:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:32:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:32:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:32:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:32:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:32:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:32:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:32:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:32:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:32:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:32:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:32:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:32:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:32:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:32:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:32:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:32:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:32:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:32:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:32:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:32:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:32:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:32:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:32:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:32:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:32:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:32:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:32:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:32:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:32:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:32:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:32:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:32:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:32:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:32:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:32:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:32:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:32:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:32:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:32:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:32:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:32:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:32:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:32:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:32:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:32:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:32:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:32:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:32:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:32:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:32:08,398 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:32:08,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:32:09,526 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:32:10,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:32:10,252 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:32:10,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:32:10 BoogieIcfgContainer [2023-04-03 00:32:10,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:32:10,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:32:10,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:32:10,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:32:10,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:32:07" (1/3) ... [2023-04-03 00:32:10,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f6874f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:32:10, skipping insertion in model container [2023-04-03 00:32:10,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:32:07" (2/3) ... [2023-04-03 00:32:10,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f6874f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:32:10, skipping insertion in model container [2023-04-03 00:32:10,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:32:10" (3/3) ... [2023-04-03 00:32:10,265 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product31.cil.c [2023-04-03 00:32:10,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:32:10,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:32:10,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:32:10,350 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;@6370f7f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:32:10,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:32:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 410 states, 207 states have (on average 1.1980676328502415) internal successors, (248), 216 states have internal predecessors, (248), 119 states have call successors, (119), 79 states have call predecessors, (119), 79 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:32:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 00:32:10,383 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:32:10,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:32:10,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:32:10,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:32:10,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1372374316, now seen corresponding path program 1 times [2023-04-03 00:32:10,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:32:10,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713078513] [2023-04-03 00:32:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:32:10,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:32:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:32:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:10,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:32:10,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713078513] [2023-04-03 00:32:10,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713078513] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:32:10,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:32:10,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:32:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584921478] [2023-04-03 00:32:10,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:32:10,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:32:10,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:32:10,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:32:10,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:32:10,971 INFO L87 Difference]: Start difference. First operand has 410 states, 207 states have (on average 1.1980676328502415) internal successors, (248), 216 states have internal predecessors, (248), 119 states have call successors, (119), 79 states have call predecessors, (119), 79 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:32:11,138 INFO L93 Difference]: Finished difference Result 628 states and 744 transitions. [2023-04-03 00:32:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:32:11,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 129 [2023-04-03 00:32:11,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:32:11,163 INFO L225 Difference]: With dead ends: 628 [2023-04-03 00:32:11,163 INFO L226 Difference]: Without dead ends: 389 [2023-04-03 00:32:11,170 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 00:32:11,175 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:32:11,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:32:11,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-04-03 00:32:11,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2023-04-03 00:32:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 198 states have (on average 1.1868686868686869) internal successors, (235), 204 states have internal predecessors, (235), 115 states have call successors, (115), 79 states have call predecessors, (115), 75 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-04-03 00:32:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 460 transitions. [2023-04-03 00:32:11,243 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 460 transitions. Word has length 129 [2023-04-03 00:32:11,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:32:11,244 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 460 transitions. [2023-04-03 00:32:11,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 460 transitions. [2023-04-03 00:32:11,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-03 00:32:11,251 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:32:11,251 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:32:11,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:32:11,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:32:11,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:32:11,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1481309110, now seen corresponding path program 1 times [2023-04-03 00:32:11,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:32:11,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439075830] [2023-04-03 00:32:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:32:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:32:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:32:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:11,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:32:11,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439075830] [2023-04-03 00:32:11,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439075830] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:32:11,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:32:11,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:32:11,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905679512] [2023-04-03 00:32:11,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:32:11,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:32:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:32:11,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:32:11,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:32:11,630 INFO L87 Difference]: Start difference. First operand 389 states and 460 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:32:11,768 INFO L93 Difference]: Finished difference Result 613 states and 715 transitions. [2023-04-03 00:32:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:32:11,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 130 [2023-04-03 00:32:11,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:32:11,773 INFO L225 Difference]: With dead ends: 613 [2023-04-03 00:32:11,773 INFO L226 Difference]: Without dead ends: 391 [2023-04-03 00:32:11,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:32:11,812 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 0 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:32:11,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 828 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:32:11,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-04-03 00:32:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2023-04-03 00:32:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 200 states have (on average 1.185) internal successors, (237), 206 states have internal predecessors, (237), 115 states have call successors, (115), 79 states have call predecessors, (115), 75 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-04-03 00:32:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 462 transitions. [2023-04-03 00:32:11,848 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 462 transitions. Word has length 130 [2023-04-03 00:32:11,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:32:11,849 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 462 transitions. [2023-04-03 00:32:11,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 462 transitions. [2023-04-03 00:32:11,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:32:11,856 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:32:11,856 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:32:11,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:32:11,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:32:11,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:32:11,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1062154907, now seen corresponding path program 1 times [2023-04-03 00:32:11,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:32:11,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506379834] [2023-04-03 00:32:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:32:11,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:32:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:32:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:12,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:32:12,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506379834] [2023-04-03 00:32:12,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506379834] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:32:12,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:32:12,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:32:12,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506853528] [2023-04-03 00:32:12,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:32:12,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:32:12,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:32:12,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:32:12,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:32:12,045 INFO L87 Difference]: Start difference. First operand 391 states and 462 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:12,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:32:12,170 INFO L93 Difference]: Finished difference Result 764 states and 931 transitions. [2023-04-03 00:32:12,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:32:12,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 135 [2023-04-03 00:32:12,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:32:12,177 INFO L225 Difference]: With dead ends: 764 [2023-04-03 00:32:12,177 INFO L226 Difference]: Without dead ends: 431 [2023-04-03 00:32:12,183 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 00:32:12,185 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 52 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:32:12,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 828 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:32:12,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-04-03 00:32:12,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2023-04-03 00:32:12,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 231 states have (on average 1.251082251082251) internal successors, (289), 237 states have internal predecessors, (289), 123 states have call successors, (123), 79 states have call predecessors, (123), 75 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2023-04-03 00:32:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 530 transitions. [2023-04-03 00:32:12,226 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 530 transitions. Word has length 135 [2023-04-03 00:32:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:32:12,226 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 530 transitions. [2023-04-03 00:32:12,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:32:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 530 transitions. [2023-04-03 00:32:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 00:32:12,229 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:32:12,229 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:32:12,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:32:12,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:32:12,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:32:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 127892099, now seen corresponding path program 1 times [2023-04-03 00:32:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:32:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872768656] [2023-04-03 00:32:12,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:32:12,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:32:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:32:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:12,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:32:12,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872768656] [2023-04-03 00:32:12,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872768656] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:32:12,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77304938] [2023-04-03 00:32:12,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:32:12,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:32:12,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:32:12,495 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 00:32:12,519 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 00:32:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:32:13,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:32:13,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:32:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:13,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:32:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:32:13,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77304938] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:32:13,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1706899425] [2023-04-03 00:32:13,369 INFO L159 IcfgInterpreter]: Started Sifa with 123 locations of interest [2023-04-03 00:32:13,369 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:32:13,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:32:13,376 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:32:13,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:32:17,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:32:18,523 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 317 for LOIs [2023-04-03 00:32:24,068 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:32:26,640 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:32:28,133 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:32:28,845 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:32:30,202 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:32:31,045 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:35:58,271 WARN L223 SmtUtils]: Spent 3.43m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:35:58,421 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs