/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_spec9_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:51:24,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:51:24,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:51:24,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:51:24,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:51:24,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:51:24,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:51:24,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:51:24,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:51:24,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:51:24,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:51:24,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:51:24,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:51:24,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:51:24,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:51:24,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:51:24,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:51:24,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:51:24,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:51:24,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:51:24,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:51:24,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:51:24,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:51:24,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:51:24,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:51:24,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:51:24,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:51:24,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:51:24,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:51:24,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:51:24,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:51:24,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:51:24,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:51:24,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:51:24,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:51:24,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:51:24,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:51:24,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:51:24,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:51:24,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:51:24,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:51:24,735 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 00:51:24,759 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:51:24,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:51:24,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:51:24,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:51:24,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:51:24,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:51:24,760 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:51:24,762 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:51:24,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:51:24,762 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:51:24,763 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:51:24,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:51:24,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:51:24,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:51:24,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:51:24,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:51:24,764 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:51:24,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:51:24,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:51:24,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:51:24,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:51:24,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:51:24,766 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:51:24,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:51:24,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:51:24,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:51:24,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:51:24,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:51:24,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:51:24,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:51:24,991 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:51:24,991 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:51:24,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2023-04-03 00:51:25,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:51:26,177 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:51:26,177 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2023-04-03 00:51:26,196 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0243ddf/dbd74be09d9b4115975db20bb1e35e1c/FLAG4148512d3 [2023-04-03 00:51:26,520 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0243ddf/dbd74be09d9b4115975db20bb1e35e1c [2023-04-03 00:51:26,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:51:26,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:51:26,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:51:26,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:51:26,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:51:26,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:51:26" (1/1) ... [2023-04-03 00:51:26,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5a192c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:26, skipping insertion in model container [2023-04-03 00:51:26,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:51:26" (1/1) ... [2023-04-03 00:51:26,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:51:26,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:51:26,719 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_spec9_product14.cil.c[8145,8158] [2023-04-03 00:51:26,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:51:26,972 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:51:26,997 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_spec9_product14.cil.c[8145,8158] [2023-04-03 00:51:27,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:51:27,084 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:51:27,089 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:51:27,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27 WrapperNode [2023-04-03 00:51:27,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:51:27,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:51:27,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:51:27,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:51:27,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:51:27,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:51:27,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:51:27,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:51:27,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (1/1) ... [2023-04-03 00:51:27,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:51:27,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:51:27,242 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 00:51:27,248 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 00:51:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:51:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:51:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:51:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:51:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:51:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:51:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:51:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:51:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:51:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:51:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:51:27,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:51:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:51:27,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:51:27,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:51:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:51:27,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:51:27,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:51:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:51:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:51:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:51:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:51:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:51:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:51:27,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:51:27,293 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:51:27,294 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:51:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:51:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:51:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:51:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:51:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:51:27,527 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:51:27,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:51:28,435 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:51:28,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:51:28,949 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:51:28,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:51:28 BoogieIcfgContainer [2023-04-03 00:51:28,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:51:28,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:51:28,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:51:28,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:51:28,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:51:26" (1/3) ... [2023-04-03 00:51:28,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3531dc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:51:28, skipping insertion in model container [2023-04-03 00:51:28,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:51:27" (2/3) ... [2023-04-03 00:51:28,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3531dc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:51:28, skipping insertion in model container [2023-04-03 00:51:28,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:51:28" (3/3) ... [2023-04-03 00:51:28,962 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2023-04-03 00:51:28,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:51:28,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:51:29,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:51:29,033 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;@15c20b9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:51:29,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:51:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-03 00:51:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:51:29,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:29,061 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:29,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:29,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:29,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1702744672, now seen corresponding path program 1 times [2023-04-03 00:51:29,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:29,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395788908] [2023-04-03 00:51:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:29,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395788908] [2023-04-03 00:51:29,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395788908] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:29,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:29,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:51:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649909661] [2023-04-03 00:51:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:29,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:51:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:51:29,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:51:29,516 INFO L87 Difference]: Start difference. First operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:29,643 INFO L93 Difference]: Finished difference Result 469 states and 564 transitions. [2023-04-03 00:51:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:51:29,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-03 00:51:29,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:29,660 INFO L225 Difference]: With dead ends: 469 [2023-04-03 00:51:29,660 INFO L226 Difference]: Without dead ends: 313 [2023-04-03 00:51:29,666 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 00:51:29,669 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:29,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-04-03 00:51:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2023-04-03 00:51:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 157 states have (on average 1.197452229299363) internal successors, (188), 161 states have internal predecessors, (188), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:51:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 373 transitions. [2023-04-03 00:51:29,741 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 373 transitions. Word has length 121 [2023-04-03 00:51:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:29,742 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 373 transitions. [2023-04-03 00:51:29,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions. [2023-04-03 00:51:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 00:51:29,747 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:29,747 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:51:29,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:51:29,748 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:29,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1755003705, now seen corresponding path program 1 times [2023-04-03 00:51:29,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:29,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811697449] [2023-04-03 00:51:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:29,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:30,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811697449] [2023-04-03 00:51:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811697449] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:30,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:30,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:51:30,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486393583] [2023-04-03 00:51:30,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:30,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:51:30,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:30,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:51:30,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:51:30,013 INFO L87 Difference]: Start difference. First operand 313 states and 373 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:30,102 INFO L93 Difference]: Finished difference Result 454 states and 533 transitions. [2023-04-03 00:51:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:51:30,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-03 00:51:30,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:30,105 INFO L225 Difference]: With dead ends: 454 [2023-04-03 00:51:30,105 INFO L226 Difference]: Without dead ends: 315 [2023-04-03 00:51:30,105 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 00:51:30,106 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:30,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-04-03 00:51:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2023-04-03 00:51:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 159 states have (on average 1.1949685534591195) internal successors, (190), 163 states have internal predecessors, (190), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:51:30,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 375 transitions. [2023-04-03 00:51:30,118 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 375 transitions. Word has length 122 [2023-04-03 00:51:30,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:30,118 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 375 transitions. [2023-04-03 00:51:30,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 375 transitions. [2023-04-03 00:51:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:51:30,119 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:30,119 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] [2023-04-03 00:51:30,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:51:30,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:30,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash -70173544, now seen corresponding path program 1 times [2023-04-03 00:51:30,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:30,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617774867] [2023-04-03 00:51:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:30,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:30,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:30,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617774867] [2023-04-03 00:51:30,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617774867] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:51:30,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:51:30,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:51:30,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781573818] [2023-04-03 00:51:30,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:51:30,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:51:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:51:30,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:51:30,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:51:30,272 INFO L87 Difference]: Start difference. First operand 315 states and 375 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:51:30,376 INFO L93 Difference]: Finished difference Result 612 states and 757 transitions. [2023-04-03 00:51:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:51:30,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-03 00:51:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:51:30,379 INFO L225 Difference]: With dead ends: 612 [2023-04-03 00:51:30,379 INFO L226 Difference]: Without dead ends: 355 [2023-04-03 00:51:30,379 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 00:51:30,381 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 52 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:51:30,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 674 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:51:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-04-03 00:51:30,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2023-04-03 00:51:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 190 states have (on average 1.2736842105263158) internal successors, (242), 194 states have internal predecessors, (242), 103 states have call successors, (103), 64 states have call predecessors, (103), 60 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-03 00:51:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 443 transitions. [2023-04-03 00:51:30,395 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 443 transitions. Word has length 127 [2023-04-03 00:51:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:51:30,396 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 443 transitions. [2023-04-03 00:51:30,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:51:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 443 transitions. [2023-04-03 00:51:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:51:30,400 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:51:30,400 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] [2023-04-03 00:51:30,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:51:30,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:51:30,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:51:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash 24418662, now seen corresponding path program 1 times [2023-04-03 00:51:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:51:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435286120] [2023-04-03 00:51:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:51:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:30,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:51:30,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435286120] [2023-04-03 00:51:30,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435286120] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:51:30,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824860755] [2023-04-03 00:51:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:51:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:51:30,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:51:30,625 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 00:51:30,626 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 00:51:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:51:31,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 2101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:51:31,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:51:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:31,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:51:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:51:31,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824860755] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:51:31,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1490590181] [2023-04-03 00:51:31,263 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:51:31,263 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:51:31,267 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:51:31,270 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:51:31,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:51:35,109 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:51:35,656 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 339 for LOIs [2023-04-03 00:51:41,569 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:51:44,073 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:51:45,584 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:51:46,335 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:51:47,746 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:51:48,584 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:55:33,386 WARN L223 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:55:33,523 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs