./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 21:10:40,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:10:40,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 21:10:40,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:10:40,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:10:40,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:10:40,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:10:40,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:10:40,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 21:10:40,178 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 21:10:40,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:10:40,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:10:40,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:10:40,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:10:40,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:10:40,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:10:40,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:10:40,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:10:40,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:10:40,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:10:40,182 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 [2025-03-08 21:10:40,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:10:40,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:10:40,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:10:40,435 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:10:40,435 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:10:40,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-03-08 21:10:41,567 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e71551266/9bdf9879eaaa4b468382a069c3e82201/FLAGce1ce453f [2025-03-08 21:10:41,950 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:10:41,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-03-08 21:10:41,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e71551266/9bdf9879eaaa4b468382a069c3e82201/FLAGce1ce453f [2025-03-08 21:10:42,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e71551266/9bdf9879eaaa4b468382a069c3e82201 [2025-03-08 21:10:42,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:10:42,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:10:42,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:10:42,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:10:42,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:10:42,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:10:42" (1/1) ... [2025-03-08 21:10:42,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11369eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:42, skipping insertion in model container [2025-03-08 21:10:42,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:10:42" (1/1) ... [2025-03-08 21:10:42,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:10:43,146 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] [2025-03-08 21:10:43,149 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] [2025-03-08 21:10:43,153 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] [2025-03-08 21:10:43,153 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] [2025-03-08 21:10:43,154 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] [2025-03-08 21:10:43,154 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] [2025-03-08 21:10:43,154 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] [2025-03-08 21:10:43,154 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] [2025-03-08 21:10:43,155 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] [2025-03-08 21:10:43,159 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] [2025-03-08 21:10:43,159 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] [2025-03-08 21:10:43,160 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] [2025-03-08 21:10:43,160 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] [2025-03-08 21:10:43,160 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] [2025-03-08 21:10:43,161 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] [2025-03-08 21:10:43,161 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] [2025-03-08 21:10:43,166 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] [2025-03-08 21:10:43,167 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] [2025-03-08 21:10:43,167 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] [2025-03-08 21:10:43,168 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] [2025-03-08 21:10:43,176 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] [2025-03-08 21:10:43,193 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] [2025-03-08 21:10:43,193 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] [2025-03-08 21:10:43,195 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] [2025-03-08 21:10:43,195 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] [2025-03-08 21:10:43,196 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] [2025-03-08 21:10:43,196 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] [2025-03-08 21:10:43,197 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] [2025-03-08 21:10:43,197 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] [2025-03-08 21:10:43,202 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] [2025-03-08 21:10:43,249 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] [2025-03-08 21:10:43,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:10:43,424 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:10:43,490 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] [2025-03-08 21:10:43,490 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] [2025-03-08 21:10:43,492 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] [2025-03-08 21:10:43,492 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] [2025-03-08 21:10:43,492 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] [2025-03-08 21:10:43,493 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] [2025-03-08 21:10:43,493 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] [2025-03-08 21:10:43,493 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] [2025-03-08 21:10:43,494 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] [2025-03-08 21:10:43,494 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] [2025-03-08 21:10:43,494 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] [2025-03-08 21:10:43,494 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] [2025-03-08 21:10:43,495 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] [2025-03-08 21:10:43,495 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] [2025-03-08 21:10:43,495 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] [2025-03-08 21:10:43,496 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] [2025-03-08 21:10:43,498 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] [2025-03-08 21:10:43,499 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] [2025-03-08 21:10:43,500 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] [2025-03-08 21:10:43,500 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] [2025-03-08 21:10:43,506 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] [2025-03-08 21:10:43,513 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] [2025-03-08 21:10:43,515 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] [2025-03-08 21:10:43,516 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] [2025-03-08 21:10:43,518 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] [2025-03-08 21:10:43,519 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] [2025-03-08 21:10:43,519 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] [2025-03-08 21:10:43,519 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] [2025-03-08 21:10:43,520 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] [2025-03-08 21:10:43,524 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] [2025-03-08 21:10:43,607 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] [2025-03-08 21:10:43,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:10:43,906 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-03-08 21:10:43,918 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:10:43,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43 WrapperNode [2025-03-08 21:10:43,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:10:43,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:10:43,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:10:43,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:10:43,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,393 INFO L138 Inliner]: procedures = 675, calls = 10707, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12734 [2025-03-08 21:10:44,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:10:44,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:10:44,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:10:44,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:10:44,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,475 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-08 21:10:44,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:10:44,852 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:10:44,852 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:10:44,852 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:10:44,854 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (1/1) ... [2025-03-08 21:10:44,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:10:44,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:10:44,881 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) [2025-03-08 21:10:44,884 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 [2025-03-08 21:10:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2025-03-08 21:10:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2025-03-08 21:10:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2025-03-08 21:10:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-03-08 21:10:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 21:10:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2025-03-08 21:10:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2025-03-08 21:10:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2025-03-08 21:10:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2025-03-08 21:10:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2025-03-08 21:10:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-03-08 21:10:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-03-08 21:10:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2025-03-08 21:10:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2025-03-08 21:10:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:10:45,420 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:10:45,421 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:10:45,751 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4542: havoc cfgetospeed_#t~nondet761#1; [2025-03-08 21:10:45,751 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4537: havoc cfgetispeed_#t~nondet720#1; [2025-03-08 21:10:45,828 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4074: havoc #t~mem426; [2025-03-08 21:10:46,626 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3504: havoc ~val~1#1; [2025-03-08 21:10:46,666 INFO L1307 $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; [2025-03-08 21:10:46,673 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3145: havoc #t~mem168; [2025-03-08 21:11:39,704 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3768: havoc __main_~i~7#1; [2025-03-08 21:11:39,705 INFO L1307 $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; [2025-03-08 21:11:40,149 INFO L? ?]: Removed 1051 outVars from TransFormulas that were not future-live. [2025-03-08 21:11:40,149 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:11:40,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:11:40,230 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:11:40,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:11:40 BoogieIcfgContainer [2025-03-08 21:11:40,231 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:11:40,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:11:40,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:11:40,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:11:40,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:10:42" (1/3) ... [2025-03-08 21:11:40,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4183f2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:11:40, skipping insertion in model container [2025-03-08 21:11:40,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:10:43" (2/3) ... [2025-03-08 21:11:40,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4183f2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:11:40, skipping insertion in model container [2025-03-08 21:11:40,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:11:40" (3/3) ... [2025-03-08 21:11:40,239 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-2.i [2025-03-08 21:11:40,249 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:11:40,251 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. [2025-03-08 21:11:40,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:11:40,318 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;@1a009ecf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:11:40,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-03-08 21:11:40,324 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) [2025-03-08 21:11:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-08 21:11:40,328 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 21:11:40,329 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] [2025-03-08 21:11:40,329 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)] === [2025-03-08 21:11:40,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:11:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1620439672, now seen corresponding path program 1 times [2025-03-08 21:11:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:11:40,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880835856] [2025-03-08 21:11:40,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:11:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms