./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6755faa368518d1417264b11a3e617ff714ec9f5377567ada97da82b246d87f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 20:36:42,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 20:36:42,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 20:36:42,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 20:36:42,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 20:36:42,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 20:36:42,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 20:36:42,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 20:36:42,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 20:36:42,944 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 20:36:42,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 20:36:42,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 20:36:42,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 20:36:42,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 20:36:42,945 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 20:36:42,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 20:36:42,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 20:36:42,947 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:36:42,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:36:42,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 20:36:42,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 20:36:42,948 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6755faa368518d1417264b11a3e617ff714ec9f5377567ada97da82b246d87f4 [2025-01-09 20:36:43,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 20:36:43,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 20:36:43,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 20:36:43,182 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 20:36:43,183 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 20:36:43,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-01-09 20:36:44,344 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a192e5fc/f52481eb31a74ab98523fd5a721da6ee/FLAG325ba3861 [2025-01-09 20:36:44,773 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 20:36:44,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-01-09 20:36:44,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a192e5fc/f52481eb31a74ab98523fd5a721da6ee/FLAG325ba3861 [2025-01-09 20:36:44,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2a192e5fc/f52481eb31a74ab98523fd5a721da6ee [2025-01-09 20:36:44,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 20:36:44,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 20:36:44,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 20:36:44,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 20:36:44,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 20:36:44,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:36:44" (1/1) ... [2025-01-09 20:36:44,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfc10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:44, skipping insertion in model container [2025-01-09 20:36:44,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:36:44" (1/1) ... [2025-01-09 20:36:44,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 20:36:45,957 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132282,132295] [2025-01-09 20:36:45,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132362,132375] [2025-01-09 20:36:45,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133243,133256] [2025-01-09 20:36:45,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133323,133336] [2025-01-09 20:36:45,969 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133597,133610] [2025-01-09 20:36:45,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133693,133706] [2025-01-09 20:36:45,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133862,133875] [2025-01-09 20:36:45,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133950,133963] [2025-01-09 20:36:45,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134130,134143] [2025-01-09 20:36:45,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134218,134231] [2025-01-09 20:36:45,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134477,134490] [2025-01-09 20:36:45,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134573,134586] [2025-01-09 20:36:45,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134781,134794] [2025-01-09 20:36:45,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134869,134882] [2025-01-09 20:36:45,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135169,135182] [2025-01-09 20:36:45,976 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135273,135286] [2025-01-09 20:36:45,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135787,135800] [2025-01-09 20:36:45,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135891,135904] [2025-01-09 20:36:45,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136337,136350] [2025-01-09 20:36:45,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136449,136462] [2025-01-09 20:36:45,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[139622,139635] [2025-01-09 20:36:46,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143915,143928] [2025-01-09 20:36:46,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143995,144008] [2025-01-09 20:36:46,019 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144289,144302] [2025-01-09 20:36:46,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144369,144382] [2025-01-09 20:36:46,021 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144603,144616] [2025-01-09 20:36:46,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144691,144704] [2025-01-09 20:36:46,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145056,145069] [2025-01-09 20:36:46,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145152,145165] [2025-01-09 20:36:46,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[148148,148161] [2025-01-09 20:36:46,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[175912,175925] [2025-01-09 20:36:46,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 20:36:46,286 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 20:36:46,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132282,132295] [2025-01-09 20:36:46,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132362,132375] [2025-01-09 20:36:46,353 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133243,133256] [2025-01-09 20:36:46,353 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133323,133336] [2025-01-09 20:36:46,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133597,133610] [2025-01-09 20:36:46,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133693,133706] [2025-01-09 20:36:46,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133862,133875] [2025-01-09 20:36:46,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133950,133963] [2025-01-09 20:36:46,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134130,134143] [2025-01-09 20:36:46,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134218,134231] [2025-01-09 20:36:46,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134477,134490] [2025-01-09 20:36:46,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134573,134586] [2025-01-09 20:36:46,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134781,134794] [2025-01-09 20:36:46,357 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134869,134882] [2025-01-09 20:36:46,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135169,135182] [2025-01-09 20:36:46,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135273,135286] [2025-01-09 20:36:46,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135787,135800] [2025-01-09 20:36:46,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135891,135904] [2025-01-09 20:36:46,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136337,136350] [2025-01-09 20:36:46,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136449,136462] [2025-01-09 20:36:46,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[139622,139635] [2025-01-09 20:36:46,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143915,143928] [2025-01-09 20:36:46,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143995,144008] [2025-01-09 20:36:46,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144289,144302] [2025-01-09 20:36:46,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144369,144382] [2025-01-09 20:36:46,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144603,144616] [2025-01-09 20:36:46,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144691,144704] [2025-01-09 20:36:46,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145056,145069] [2025-01-09 20:36:46,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145152,145165] [2025-01-09 20:36:46,413 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[148148,148161] [2025-01-09 20:36:46,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[175912,175925] [2025-01-09 20:36:46,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 20:36:46,714 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-09 20:36:46,722 INFO L204 MainTranslator]: Completed translation [2025-01-09 20:36:46,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46 WrapperNode [2025-01-09 20:36:46,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 20:36:46,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 20:36:46,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 20:36:46,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 20:36:46,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:46,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,214 INFO L138 Inliner]: procedures = 675, calls = 10707, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12734 [2025-01-09 20:36:47,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 20:36:47,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 20:36:47,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 20:36:47,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 20:36:47,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,279 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,291 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 20:36:47,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 20:36:47,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 20:36:47,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 20:36:47,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 20:36:47,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (1/1) ... [2025-01-09 20:36:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 20:36:47,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 20:36:47,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 20:36:47,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 20:36:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2025-01-09 20:36:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2025-01-09 20:36:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2025-01-09 20:36:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2025-01-09 20:36:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2025-01-09 20:36:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2025-01-09 20:36:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 20:36:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2025-01-09 20:36:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2025-01-09 20:36:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 20:36:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2025-01-09 20:36:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-09 20:36:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-09 20:36:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2025-01-09 20:36:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2025-01-09 20:36:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 20:36:48,229 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 20:36:48,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 20:37:47,625 INFO L? ?]: Removed 1051 outVars from TransFormulas that were not future-live. [2025-01-09 20:37:47,625 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 20:37:47,660 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 20:37:47,660 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2025-01-09 20:37:47,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:47 BoogieIcfgContainer [2025-01-09 20:37:47,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 20:37:47,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 20:37:47,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 20:37:47,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 20:37:47,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:36:44" (1/3) ... [2025-01-09 20:37:47,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916b7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:47, skipping insertion in model container [2025-01-09 20:37:47,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:36:46" (2/3) ... [2025-01-09 20:37:47,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2916b7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:47, skipping insertion in model container [2025-01-09 20:37:47,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:47" (3/3) ... [2025-01-09 20:37:47,670 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-2.i [2025-01-09 20:37:47,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 20:37:47,685 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-2.i that has 36 procedures, 1113 locations, 1 initial locations, 31 loop locations, and 34 error locations. [2025-01-09 20:37:47,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 20:37:47,756 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@73c97b29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 20:37:47,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-01-09 20:37:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 929 states have (on average 1.5489773950484391) internal successors, (1439), 987 states have internal predecessors, (1439), 114 states have call successors, (114), 35 states have call predecessors, (114), 35 states have return successors, (114), 109 states have call predecessors, (114), 114 states have call successors, (114) [2025-01-09 20:37:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-09 20:37:47,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 20:37:47,772 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 20:37:47,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting bb_verror_msgErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [set_control_char_or_dieErr0ASSERT_VIOLATIONERROR_FUNCTION, wrapfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, wrapfErr1ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2025-01-09 20:37:47,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 20:37:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash -324421347, now seen corresponding path program 1 times [2025-01-09 20:37:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 20:37:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372027436] [2025-01-09 20:37:47,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 20:37:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms