./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 03:57:14,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:57:14,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 03:57:14,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:57:14,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:57:14,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:57:14,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:57:14,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:57:14,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:57:14,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:57:14,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:57:14,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:57:14,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:57:14,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:57:14,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:57:14,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:57:14,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:57:14,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:57:14,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:57:14,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:57:14,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:57:14,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:57:14,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:57:14,545 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:14,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:14,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:14,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:57:14,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:57:14,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:57:14,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:57:14,548 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:57:14,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:57:14,548 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:57:14,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:57:14,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:57:14,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:57:14,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:57:14,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:57:14,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2024-11-28 03:57:18,783 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/data/fc00bdcce/003cf0167a8b44d78c157fa377fa9153/FLAGb2f891a9a [2024-11-28 03:57:19,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:57:19,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2024-11-28 03:57:19,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/data/fc00bdcce/003cf0167a8b44d78c157fa377fa9153/FLAGb2f891a9a [2024-11-28 03:57:19,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/data/fc00bdcce/003cf0167a8b44d78c157fa377fa9153 [2024-11-28 03:57:19,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:57:19,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:57:19,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:19,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:57:19,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:57:19,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:19" (1/1) ... [2024-11-28 03:57:19,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5378d574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:19, skipping insertion in model container [2024-11-28 03:57:19,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:19" (1/1) ... [2024-11-28 03:57:19,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:57:22,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:22,559 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:57:22,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:23,478 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-28 03:57:23,487 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:57:23,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23 WrapperNode [2024-11-28 03:57:23,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:23,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:23,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:57:23,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:57:23,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:23,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:24,243 INFO L138 Inliner]: procedures = 675, calls = 10738, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12852 [2024-11-28 03:57:24,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:24,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:57:24,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:57:24,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:57:24,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:24,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:24,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:24,529 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 03:57:24,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:24,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:57:25,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:57:25,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:57:25,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:57:25,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (1/1) ... [2024-11-28 03:57:25,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:25,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:25,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:57:25,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de2f5f37-56a4-4273-8396-a5f4f168e844/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:57:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-28 03:57:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-28 03:57:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2024-11-28 03:57:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2024-11-28 03:57:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2024-11-28 03:57:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2024-11-28 03:57:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2024-11-28 03:57:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2024-11-28 03:57:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:57:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2024-11-28 03:57:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2024-11-28 03:57:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2024-11-28 03:57:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2024-11-28 03:57:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-28 03:57:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-28 03:57:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-28 03:57:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2024-11-28 03:57:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2024-11-28 03:57:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2024-11-28 03:57:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2024-11-28 03:57:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2024-11-28 03:57:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2024-11-28 03:57:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 03:57:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 03:57:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2024-11-28 03:57:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2024-11-28 03:57:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2024-11-28 03:57:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2024-11-28 03:57:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:57:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 03:57:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-28 03:57:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2024-11-28 03:57:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2024-11-28 03:57:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2024-11-28 03:57:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2024-11-28 03:57:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 03:57:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2024-11-28 03:57:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2024-11-28 03:57:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2024-11-28 03:57:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2024-11-28 03:57:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2024-11-28 03:57:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2024-11-28 03:57:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2024-11-28 03:57:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2024-11-28 03:57:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2024-11-28 03:57:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 03:57:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2024-11-28 03:57:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2024-11-28 03:57:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2024-11-28 03:57:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2024-11-28 03:57:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2024-11-28 03:57:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2024-11-28 03:57:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-11-28 03:57:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-11-28 03:57:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2024-11-28 03:57:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2024-11-28 03:57:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:57:26,343 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:57:26,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:58:58,857 INFO L? ?]: Removed 1219 outVars from TransFormulas that were not future-live. [2024-11-28 03:58:58,857 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:58:58,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:58:58,914 INFO L312 CfgBuilder]: Removed 37 assume(true) statements. [2024-11-28 03:58:58,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:58 BoogieIcfgContainer [2024-11-28 03:58:58,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:58:58,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:58:58,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:58:58,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:58:58,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:57:19" (1/3) ... [2024-11-28 03:58:58,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b838808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:58, skipping insertion in model container [2024-11-28 03:58:58,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:23" (2/3) ... [2024-11-28 03:58:58,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b838808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:58, skipping insertion in model container [2024-11-28 03:58:58,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:58" (3/3) ... [2024-11-28 03:58:58,924 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-2.i [2024-11-28 03:58:58,942 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:58:58,945 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-2.i that has 37 procedures, 1357 locations, 1 initial locations, 31 loop locations, and 133 error locations. [2024-11-28 03:58:59,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:58:59,073 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;@2b56292c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:58:59,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2024-11-28 03:58:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 1357 states, 1042 states have (on average 1.598848368522073) internal successors, (1666), 1229 states have internal predecessors, (1666), 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) [2024-11-28 03:58:59,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:58:59,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:59,091 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:58:59,091 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)] === [2024-11-28 03:58:59,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:59,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2112404105, now seen corresponding path program 1 times [2024-11-28 03:58:59,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:58:59,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692970408] [2024-11-28 03:58:59,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:59,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms