/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:03:47,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:03:47,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:03:47,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:03:47,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:03:47,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:03:47,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:03:47,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:03:47,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:03:47,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:03:47,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:03:47,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:03:47,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:03:47,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:03:47,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:03:47,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:03:47,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:03:47,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:03:47,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:03:47,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:03:47,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:03:47,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:03:47,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:03:47,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:03:47,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:03:47,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:03:47,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:03:47,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:03:47,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:03:47,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:03:47,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:03:47,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:03:47,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:03:47,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:03:47,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:03:47,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:03:47,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:03:47,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:03:47,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:03:47,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:03:47,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:03:47,446 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 00:03:47,476 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:03:47,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:03:47,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:03:47,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:03:47,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:03:47,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:03:47,478 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:03:47,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:03:47,478 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:03:47,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:03:47,478 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:03:47,479 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:03:47,479 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:03:47,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:03:47,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:03:47,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:03:47,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:03:47,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:03:47,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:03:47,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:03:47,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:03:47,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:03:47,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:03:47,730 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:03:47,730 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:03:47,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-04-03 00:03:48,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:03:49,140 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:03:49,140 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-04-03 00:03:49,158 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b735367a/96bba195834b44099bb2bb50ca64c038/FLAG338513a37 [2023-04-03 00:03:49,170 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b735367a/96bba195834b44099bb2bb50ca64c038 [2023-04-03 00:03:49,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:03:49,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:03:49,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:03:49,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:03:49,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:03:49,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c51bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49, skipping insertion in model container [2023-04-03 00:03:49,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:03:49,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:03:49,430 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2023-04-03 00:03:49,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:03:49,692 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:03:49,719 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2023-04-03 00:03:49,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:03:49,834 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:03:49,840 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:03:49,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49 WrapperNode [2023-04-03 00:03:49,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:03:49,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:03:49,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:03:49,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:03:49,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:49,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:50,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:50,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:50,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:03:50,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:03:50,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:03:50,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:03:50,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (1/1) ... [2023-04-03 00:03:50,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:03:50,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:03:50,070 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 00:03:50,113 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 00:03:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:03:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:03:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:03:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:03:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:03:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:03:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:03:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:03:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:03:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:03:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:03:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:03:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:03:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:03:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:03:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:03:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:03:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:03:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:03:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:03:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:03:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:03:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:03:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:03:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:03:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:03:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:03:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:03:50,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:03:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:03:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:03:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:03:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:03:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:03:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:03:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:03:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:03:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:03:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:03:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:03:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:03:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:03:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:03:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:03:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:03:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:03:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:03:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:03:50,432 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:03:50,435 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:03:51,201 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:03:51,838 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:03:51,838 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:03:51,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:03:51 BoogieIcfgContainer [2023-04-03 00:03:51,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:03:51,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:03:51,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:03:51,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:03:51,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:03:49" (1/3) ... [2023-04-03 00:03:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d210c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:03:51, skipping insertion in model container [2023-04-03 00:03:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:03:49" (2/3) ... [2023-04-03 00:03:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d210c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:03:51, skipping insertion in model container [2023-04-03 00:03:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:03:51" (3/3) ... [2023-04-03 00:03:51,852 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2023-04-03 00:03:51,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:03:51,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:03:51,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:03:51,998 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;@199c1de9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:03:51,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:03:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 357 states, 176 states have (on average 1.1875) internal successors, (209), 183 states have internal predecessors, (209), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-03 00:03:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 00:03:52,028 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:52,029 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 00:03:52,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:52,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:52,035 INFO L85 PathProgramCache]: Analyzing trace with hash -134749037, now seen corresponding path program 1 times [2023-04-03 00:03:52,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:52,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983904074] [2023-04-03 00:03:52,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:52,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:52,452 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 00:03:52,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:52,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983904074] [2023-04-03 00:03:52,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983904074] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:52,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:52,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:03:52,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361549882] [2023-04-03 00:03:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:52,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:03:52,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:03:52,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:03:52,508 INFO L87 Difference]: Start difference. First operand has 357 states, 176 states have (on average 1.1875) internal successors, (209), 183 states have internal predecessors, (209), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:03:52,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:52,646 INFO L93 Difference]: Finished difference Result 489 states and 581 transitions. [2023-04-03 00:03:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:03:52,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141 [2023-04-03 00:03:52,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:52,666 INFO L225 Difference]: With dead ends: 489 [2023-04-03 00:03:52,666 INFO L226 Difference]: Without dead ends: 330 [2023-04-03 00:03:52,673 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 00:03:52,677 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:52,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:03:52,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-04-03 00:03:52,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-04-03 00:03:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 163 states have (on average 1.1717791411042944) internal successors, (191), 167 states have internal predecessors, (191), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-03 00:03:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 388 transitions. [2023-04-03 00:03:52,758 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 388 transitions. Word has length 141 [2023-04-03 00:03:52,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:52,759 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 388 transitions. [2023-04-03 00:03:52,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:03:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 388 transitions. [2023-04-03 00:03:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 00:03:52,768 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:52,768 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, 1] [2023-04-03 00:03:52,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:03:52,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:52,769 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:52,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1818082791, now seen corresponding path program 1 times [2023-04-03 00:03:52,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:52,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65517056] [2023-04-03 00:03:52,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:52,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:53,037 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 00:03:53,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:53,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65517056] [2023-04-03 00:03:53,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65517056] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:53,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:53,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:03:53,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54749585] [2023-04-03 00:03:53,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:53,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:03:53,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:53,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:03:53,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:03:53,042 INFO L87 Difference]: Start difference. First operand 330 states and 388 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:03:53,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:53,144 INFO L93 Difference]: Finished difference Result 474 states and 549 transitions. [2023-04-03 00:03:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:03:53,144 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 142 [2023-04-03 00:03:53,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:53,149 INFO L225 Difference]: With dead ends: 474 [2023-04-03 00:03:53,149 INFO L226 Difference]: Without dead ends: 332 [2023-04-03 00:03:53,153 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 00:03:53,155 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:53,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:03:53,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-04-03 00:03:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-04-03 00:03:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 165 states have (on average 1.1696969696969697) internal successors, (193), 169 states have internal predecessors, (193), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-03 00:03:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 390 transitions. [2023-04-03 00:03:53,176 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 390 transitions. Word has length 142 [2023-04-03 00:03:53,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:53,177 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 390 transitions. [2023-04-03 00:03:53,177 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, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:03:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 390 transitions. [2023-04-03 00:03:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-03 00:03:53,179 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:53,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:03:53,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:03:53,180 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:53,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1316269909, now seen corresponding path program 1 times [2023-04-03 00:03:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92679149] [2023-04-03 00:03:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:53,402 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 00:03:53,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:53,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92679149] [2023-04-03 00:03:53,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92679149] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:03:53,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:03:53,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:03:53,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004715150] [2023-04-03 00:03:53,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:03:53,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:03:53,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:03:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:03:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:03:53,405 INFO L87 Difference]: Start difference. First operand 332 states and 390 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 00:03:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:03:53,486 INFO L93 Difference]: Finished difference Result 650 states and 793 transitions. [2023-04-03 00:03:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:03:53,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 154 [2023-04-03 00:03:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:03:53,493 INFO L225 Difference]: With dead ends: 650 [2023-04-03 00:03:53,493 INFO L226 Difference]: Without dead ends: 376 [2023-04-03 00:03:53,496 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 00:03:53,499 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 54 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:03:53,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 702 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:03:53,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-04-03 00:03:53,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2023-04-03 00:03:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 198 states have (on average 1.2474747474747474) internal successors, (247), 202 states have internal predecessors, (247), 111 states have call successors, (111), 69 states have call predecessors, (111), 65 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-03 00:03:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 464 transitions. [2023-04-03 00:03:53,525 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 464 transitions. Word has length 154 [2023-04-03 00:03:53,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:03:53,525 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 464 transitions. [2023-04-03 00:03:53,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-03 00:03:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 464 transitions. [2023-04-03 00:03:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-03 00:03:53,532 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:03:53,532 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:03:53,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:03:53,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:03:53,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:03:53,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1706671015, now seen corresponding path program 1 times [2023-04-03 00:03:53,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:03:53,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519482387] [2023-04-03 00:03:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:53,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:03:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:53,788 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 00:03:53,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:03:53,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519482387] [2023-04-03 00:03:53,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519482387] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:03:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791526519] [2023-04-03 00:03:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:03:53,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:03:53,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:03:53,792 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 00:03:53,793 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 00:03:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:03:54,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 2221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:03:54,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:03:54,326 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 00:03:54,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:03:54,507 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 00:03:54,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791526519] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:03:54,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [433318228] [2023-04-03 00:03:54,526 INFO L159 IcfgInterpreter]: Started Sifa with 142 locations of interest [2023-04-03 00:03:54,526 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:03:54,529 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:03:54,534 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:03:54,534 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:03:58,135 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:03:58,671 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 345 for LOIs [2023-04-03 00:04:04,829 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:04:07,170 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:04:08,575 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:04:09,301 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:04:10,713 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:04:11,525 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:07:49,260 WARN L223 SmtUtils]: Spent 3.60m 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 00:07:49,395 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs