./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/stty-1.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-1.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 2f9ee57426f042b21b9e1f07509c47aef4a9ac7684fc683fde3eb34c5f3c72d8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:05:19,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:05:19,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:05:19,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:05:19,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:05:19,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:05:19,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:05:19,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:05:19,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:05:19,575 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:05:19,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:05:19,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:05:19,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:05:19,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:05:19,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:05:19,577 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:19,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:05:19,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:19,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:05:19,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:05:19,578 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 -> 2f9ee57426f042b21b9e1f07509c47aef4a9ac7684fc683fde3eb34c5f3c72d8 [2025-01-10 06:05:19,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:05:19,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:05:19,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:05:19,833 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:05:19,833 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:05:19,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2025-01-10 06:05:21,087 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0abe3e3/13497fb76dec4137972fc46133d3325b/FLAGb0876a85b [2025-01-10 06:05:21,625 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:05:21,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2025-01-10 06:05:21,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0abe3e3/13497fb76dec4137972fc46133d3325b/FLAGb0876a85b [2025-01-10 06:05:22,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0abe3e3/13497fb76dec4137972fc46133d3325b [2025-01-10 06:05:22,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:05:22,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:05:22,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:22,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:05:22,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:05:22,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:22" (1/1) ... [2025-01-10 06:05:22,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593d585c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:22, skipping insertion in model container [2025-01-10 06:05:22,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:05:22" (1/1) ... [2025-01-10 06:05:22,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:05:23,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:23,975 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:05:24,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:05:24,519 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:05:24,530 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:05:24,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24 WrapperNode [2025-01-10 06:05:24,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:05:24,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:24,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:05:24,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:05:24,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:24,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,049 INFO L138 Inliner]: procedures = 675, calls = 10738, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12838 [2025-01-10 06:05:25,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:05:25,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:05:25,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:05:25,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:05:25,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,160 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:05:25,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:05:25,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:05:25,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:05:25,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:05:25,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (1/1) ... [2025-01-10 06:05:25,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:05:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:05:25,719 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 06:05:25,722 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 06:05:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2025-01-10 06:05:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2025-01-10 06:05:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2025-01-10 06:05:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:05:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2025-01-10 06:05:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2025-01-10 06:05:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2025-01-10 06:05:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2025-01-10 06:05:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2025-01-10 06:05:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2025-01-10 06:05:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2025-01-10 06:05:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2025-01-10 06:05:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2025-01-10 06:05:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2025-01-10 06:05:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2025-01-10 06:05:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2025-01-10 06:05:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2025-01-10 06:05:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2025-01-10 06:05:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2025-01-10 06:05:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2025-01-10 06:05:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2025-01-10 06:05:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2025-01-10 06:05:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2025-01-10 06:05:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:05:26,198 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:05:26,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:06:27,006 INFO L? ?]: Removed 1240 outVars from TransFormulas that were not future-live. [2025-01-10 06:06:27,006 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:06:27,044 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:06:27,045 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2025-01-10 06:06:27,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:27 BoogieIcfgContainer [2025-01-10 06:06:27,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:06:27,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:06:27,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:06:27,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:06:27,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:05:22" (1/3) ... [2025-01-10 06:06:27,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd0c4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:27, skipping insertion in model container [2025-01-10 06:06:27,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:05:24" (2/3) ... [2025-01-10 06:06:27,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd0c4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:06:27, skipping insertion in model container [2025-01-10 06:06:27,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:06:27" (3/3) ... [2025-01-10 06:06:27,054 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-1.i [2025-01-10 06:06:27,065 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:06:27,070 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-1.i that has 37 procedures, 1355 locations, 1 initial locations, 31 loop locations, and 141 error locations. [2025-01-10 06:06:27,135 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:06:27,143 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;@5c8b8326, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:06:27,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2025-01-10 06:06:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 1355 states, 1032 states have (on average 1.5988372093023255) internal successors, (1650), 1227 states have internal predecessors, (1650), 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 06:06:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:06:27,156 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:06:27,157 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:06:27,157 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 139 more)] === [2025-01-10 06:06:27,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:06:27,162 INFO L85 PathProgramCache]: Analyzing trace with hash 69635524, now seen corresponding path program 1 times [2025-01-10 06:06:27,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:06:27,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729415147] [2025-01-10 06:06:27,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:06:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms