./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6755faa368518d1417264b11a3e617ff714ec9f5377567ada97da82b246d87f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:05:22,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:05:22,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:05:22,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:05:22,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:05:22,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:05:22,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:05:22,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:05:22,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:05:22,503 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:05:22,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:05:22,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:05:22,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:05:22,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:05:22,504 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:05:22,504 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:22,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:22,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:05:22,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:05:22,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:05:22,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:05:22,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:05:22,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:05:22,507 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6755faa368518d1417264b11a3e617ff714ec9f5377567ada97da82b246d87f4 [2025-01-10 06:05:22,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:05:22,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:05:22,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:05:22,788 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:05:22,788 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:05:22,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-01-10 06:05:24,028 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eff6904b/a4efaf51b13c4a70bcf376324c66bd70/FLAGcc4efbb75 [2025-01-10 06:05:24,520 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:05:24,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2025-01-10 06:05:24,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eff6904b/a4efaf51b13c4a70bcf376324c66bd70/FLAGcc4efbb75 [2025-01-10 06:05:24,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0eff6904b/a4efaf51b13c4a70bcf376324c66bd70 [2025-01-10 06:05:24,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:05:24,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:05:24,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:24,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:05:24,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:05:24,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:24,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122c5c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24, skipping insertion in model container [2025-01-10 06:05:24,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:24,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:05:25,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:25,850 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:05:26,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:26,335 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:05:26,340 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:05:26,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26 WrapperNode [2025-01-10 06:05:26,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:26,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:26,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:05:26,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:05:26,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,850 INFO L138 Inliner]: procedures = 675, calls = 10738, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12830 [2025-01-10 06:05:26,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:26,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:05:26,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:05:26,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:05:26,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,949 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:05:26,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:26,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,240 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:05:27,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:05:27,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:05:27,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:05:27,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (1/1) ... [2025-01-10 06:05:27,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:27,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:05:27,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:05:27,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:05:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2025-01-10 06:05:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2025-01-10 06:05:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2025-01-10 06:05:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2025-01-10 06:05:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2025-01-10 06:05:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2025-01-10 06:05:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2025-01-10 06:05:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2025-01-10 06:05:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:05:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:05:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:05:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2025-01-10 06:05:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2025-01-10 06:05:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2025-01-10 06:05:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2025-01-10 06:05:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2025-01-10 06:05:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:05:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2025-01-10 06:05:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2025-01-10 06:05:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2025-01-10 06:05:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2025-01-10 06:05:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:05:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:05:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2025-01-10 06:05:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2025-01-10 06:05:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:05:27,883 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:05:27,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:06:29,980 INFO L? ?]: Removed 1214 outVars from TransFormulas that were not future-live. [2025-01-10 06:06:29,981 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:06:30,012 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:06:30,012 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2025-01-10 06:06:30,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:30 BoogieIcfgContainer [2025-01-10 06:06:30,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:06:30,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:06:30,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:06:30,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:06:30,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:05:24" (1/3) ... [2025-01-10 06:06:30,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24690336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:30, skipping insertion in model container [2025-01-10 06:06:30,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:26" (2/3) ... [2025-01-10 06:06:30,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24690336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:30, skipping insertion in model container [2025-01-10 06:06:30,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:30" (3/3) ... [2025-01-10 06:06:30,021 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-2.i [2025-01-10 06:06:30,031 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:06:30,035 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-2.i that has 37 procedures, 1339 locations, 1 initial locations, 31 loop locations, and 133 error locations. [2025-01-10 06:06:30,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:06:30,109 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;@229a2c44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:06:30,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2025-01-10 06:06:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 1339 states, 1024 states have (on average 1.595703125) internal successors, (1634), 1211 states have internal predecessors, (1634), 145 states have call successors, (145), 36 states have call predecessors, (145), 36 states have return successors, (145), 140 states have call predecessors, (145), 145 states have call successors, (145) [2025-01-10 06:06:30,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:06:30,121 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:30,121 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:06:30,122 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_control_char_or_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_control_char_or_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 131 more)] === [2025-01-10 06:06:30,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash 69142980, now seen corresponding path program 1 times [2025-01-10 06:06:30,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:30,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539681645] [2025-01-10 06:06:30,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:30,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms