./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-798a7b3-m [2025-03-04 05:58:42,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:58:42,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:58:42,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:58:42,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:58:42,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:58:42,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:58:42,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:58:42,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:58:42,637 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:58:42,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:58:42,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:58:42,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:58:42,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:58:42,637 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:58:42,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:58:42,638 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:58:42,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:58:42,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:58:42,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:58:42,640 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/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 [2025-03-04 05:58:42,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:58:42,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:58:42,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:58:42,889 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:58:42,889 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:58:42,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-03-04 05:58:44,034 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01021dfd9/0f1ff393956745b9a311f848998022ac/FLAG98052a1f9 [2025-03-04 05:58:44,424 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:58:44,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-03-04 05:58:44,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01021dfd9/0f1ff393956745b9a311f848998022ac/FLAG98052a1f9 [2025-03-04 05:58:44,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01021dfd9/0f1ff393956745b9a311f848998022ac [2025-03-04 05:58:44,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:58:44,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:58:44,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:58:44,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:58:44,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:58:44,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:58:44" (1/1) ... [2025-03-04 05:58:44,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8f7f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:44, skipping insertion in model container [2025-03-04 05:58:44,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:58:44" (1/1) ... [2025-03-04 05:58:44,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:58:46,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132282,132295] [2025-03-04 05:58:46,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132362,132375] [2025-03-04 05:58:46,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133243,133256] [2025-03-04 05:58:46,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133323,133336] [2025-03-04 05:58:46,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133597,133610] [2025-03-04 05:58:46,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133693,133706] [2025-03-04 05:58:46,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133862,133875] [2025-03-04 05:58:46,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133950,133963] [2025-03-04 05:58:46,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134130,134143] [2025-03-04 05:58:46,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134218,134231] [2025-03-04 05:58:46,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134477,134490] [2025-03-04 05:58:46,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134573,134586] [2025-03-04 05:58:46,290 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134781,134794] [2025-03-04 05:58:46,291 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134869,134882] [2025-03-04 05:58:46,291 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135169,135182] [2025-03-04 05:58:46,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135273,135286] [2025-03-04 05:58:46,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135787,135800] [2025-03-04 05:58:46,293 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135891,135904] [2025-03-04 05:58:46,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136337,136350] [2025-03-04 05:58:46,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136449,136462] [2025-03-04 05:58:46,302 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[139622,139635] [2025-03-04 05:58:46,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143915,143928] [2025-03-04 05:58:46,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143995,144008] [2025-03-04 05:58:46,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144289,144302] [2025-03-04 05:58:46,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144369,144382] [2025-03-04 05:58:46,324 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144603,144616] [2025-03-04 05:58:46,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144691,144704] [2025-03-04 05:58:46,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145056,145069] [2025-03-04 05:58:46,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145152,145165] [2025-03-04 05:58:46,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[148148,148161] [2025-03-04 05:58:46,398 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[175912,175925] [2025-03-04 05:58:46,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:58:46,571 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:58:46,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132282,132295] [2025-03-04 05:58:46,655 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[132362,132375] [2025-03-04 05:58:46,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133243,133256] [2025-03-04 05:58:46,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133323,133336] [2025-03-04 05:58:46,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133597,133610] [2025-03-04 05:58:46,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133693,133706] [2025-03-04 05:58:46,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133862,133875] [2025-03-04 05:58:46,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[133950,133963] [2025-03-04 05:58:46,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134130,134143] [2025-03-04 05:58:46,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134218,134231] [2025-03-04 05:58:46,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134477,134490] [2025-03-04 05:58:46,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134573,134586] [2025-03-04 05:58:46,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134781,134794] [2025-03-04 05:58:46,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[134869,134882] [2025-03-04 05:58:46,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135169,135182] [2025-03-04 05:58:46,662 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135273,135286] [2025-03-04 05:58:46,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135787,135800] [2025-03-04 05:58:46,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[135891,135904] [2025-03-04 05:58:46,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136337,136350] [2025-03-04 05:58:46,665 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[136449,136462] [2025-03-04 05:58:46,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[139622,139635] [2025-03-04 05:58:46,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143915,143928] [2025-03-04 05:58:46,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[143995,144008] [2025-03-04 05:58:46,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144289,144302] [2025-03-04 05:58:46,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144369,144382] [2025-03-04 05:58:46,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144603,144616] [2025-03-04 05:58:46,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[144691,144704] [2025-03-04 05:58:46,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145056,145069] [2025-03-04 05:58:46,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[145152,145165] [2025-03-04 05:58:46,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[148148,148161] [2025-03-04 05:58:46,756 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i[175912,175925] [2025-03-04 05:58:46,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:58:47,053 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-04 05:58:47,059 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:58:47,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47 WrapperNode [2025-03-04 05:58:47,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:58:47,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:58:47,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:58:47,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:58:47,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,591 INFO L138 Inliner]: procedures = 675, calls = 10707, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12734 [2025-03-04 05:58:47,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:58:47,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:58:47,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:58:47,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:58:47,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,717 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 05:58:47,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:47,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:48,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:48,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:58:48,067 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:58:48,068 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:58:48,068 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:58:48,069 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (1/1) ... [2025-03-04 05:58:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:58:48,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:58:48,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:58:48,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:58:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2025-03-04 05:58:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2025-03-04 05:58:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2025-03-04 05:58:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2025-03-04 05:58:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2025-03-04 05:58:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2025-03-04 05:58:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2025-03-04 05:58:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2025-03-04 05:58:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2025-03-04 05:58:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2025-03-04 05:58:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2025-03-04 05:58:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2025-03-04 05:58:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2025-03-04 05:58:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2025-03-04 05:58:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2025-03-04 05:58:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-04 05:58:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-04 05:58:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2025-03-04 05:58:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2025-03-04 05:58:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 05:58:48,628 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:58:48,630 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:58:49,070 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4542: havoc cfgetospeed_#t~nondet761#1; [2025-03-04 05:58:49,071 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4537: havoc cfgetispeed_#t~nondet720#1; [2025-03-04 05:58:49,162 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4074: havoc #t~mem426; [2025-03-04 05:58:49,757 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc ~val~1#1; [2025-03-04 05:58:49,795 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3170: havoc #t~mem176;call ULTIMATE.dealloc(~#win~0.base, ~#win~0.offset);havoc ~#win~0.base, ~#win~0.offset;call ULTIMATE.dealloc(~#err~0.base, ~#err~0.offset);havoc ~#err~0.base, ~#err~0.offset; [2025-03-04 05:58:49,803 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3145: havoc #t~mem168; [2025-03-04 05:59:43,566 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3768: havoc __main_~i~7#1; [2025-03-04 05:59:43,567 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3741: call ULTIMATE.dealloc(__main_~#mode~0#1.base, __main_~#mode~0#1.offset);havoc __main_~#mode~0#1.base, __main_~#mode~0#1.offset; [2025-03-04 05:59:44,025 INFO L? ?]: Removed 1051 outVars from TransFormulas that were not future-live. [2025-03-04 05:59:44,025 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:59:44,089 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:59:44,092 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 05:59:44,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:59:44 BoogieIcfgContainer [2025-03-04 05:59:44,093 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:59:44,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:59:44,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:59:44,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:59:44,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:58:44" (1/3) ... [2025-03-04 05:59:44,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1c0038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:59:44, skipping insertion in model container [2025-03-04 05:59:44,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:58:47" (2/3) ... [2025-03-04 05:59:44,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1c0038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:59:44, skipping insertion in model container [2025-03-04 05:59:44,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:59:44" (3/3) ... [2025-03-04 05:59:44,099 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-2.i [2025-03-04 05:59:44,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:59:44,111 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-2.i that has 36 procedures, 1119 locations, 1 initial locations, 31 loop locations, and 34 error locations. [2025-03-04 05:59:44,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:59:44,183 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;@6ad07a48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:59:44,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-03-04 05:59:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 1119 states, 935 states have (on average 1.5454545454545454) internal successors, (1445), 993 states have internal predecessors, (1445), 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) [2025-03-04 05:59:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-04 05:59:44,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:59:44,196 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] [2025-03-04 05:59:44,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting bb_verror_msgErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [set_control_char_or_dieErr0ASSERT_VIOLATIONERROR_FUNCTION, wrapfErr0ASSERT_VIOLATIONERROR_FUNCTION, wrapfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 31 more)] === [2025-03-04 05:59:44,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:59:44,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1620439672, now seen corresponding path program 1 times [2025-03-04 05:59:44,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:59:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150123330] [2025-03-04 05:59:44,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:59:44,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms