./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC --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-dev-6497de0 [2024-11-23 22:49:05,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:49:05,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 22:49:05,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:49:05,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:49:05,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:49:05,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:49:05,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:49:05,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:49:05,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:49:05,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:49:05,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:49:05,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:49:05,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:49:05,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:49:05,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:49:05,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:49:05,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:49:05,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:49:05,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:49:05,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:49:05,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:49:05,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:49:05,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:49:05,361 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:49:05,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:05,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:49:05,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:05,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:49:05,363 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:49:05,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:49:05,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:49:05,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:49:05,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:49:05,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:49:05,364 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_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 22:49:05,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:49:05,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:49:05,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:49:05,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:49:05,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:49:05,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/busybox-1.22.0/stty-1.i [2024-11-23 22:49:08,739 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/data/4015d92ad/31fa4636258c4622b3f341f1c28f72d2/FLAG0227fb2cd [2024-11-23 22:49:09,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:49:09,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/sv-benchmarks/c/busybox-1.22.0/stty-1.i [2024-11-23 22:49:09,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/data/4015d92ad/31fa4636258c4622b3f341f1c28f72d2/FLAG0227fb2cd [2024-11-23 22:49:09,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/data/4015d92ad/31fa4636258c4622b3f341f1c28f72d2 [2024-11-23 22:49:09,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:49:09,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:49:09,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:49:09,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:49:09,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:49:09,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:49:09" (1/1) ... [2024-11-23 22:49:09,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cc2d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:09, skipping insertion in model container [2024-11-23 22:49:09,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:49:09" (1/1) ... [2024-11-23 22:49:09,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:49:11,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:49:12,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:49:12,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:49:13,006 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-23 22:49:13,020 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:49:13,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13 WrapperNode [2024-11-23 22:49:13,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:49:13,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:49:13,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:49:13,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:49:13,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:13,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:13,852 INFO L138 Inliner]: procedures = 675, calls = 10738, calls flagged for inlining = 37, calls inlined = 35, statements flattened = 12860 [2024-11-23 22:49:13,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:49:13,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:49:13,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:49:13,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:49:13,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:13,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,138 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 22:49:14,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:49:14,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:49:14,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:49:14,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:49:14,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (1/1) ... [2024-11-23 22:49:14,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:49:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:49:14,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:49:14,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11a9f4f0-2ba9-4eb6-bd1f-281c72fc4bd6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:49:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-11-23 22:49:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-11-23 22:49:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2024-11-23 22:49:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure fcntl [2024-11-23 22:49:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_terminal_width_height [2024-11-23 22:49:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_terminal_width_height [2024-11-23 22:49:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure set_control_char_or_die [2024-11-23 22:49:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure set_control_char_or_die [2024-11-23 22:49:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:49:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device_and_die [2024-11-23 22:49:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device_and_die [2024-11-23 22:49:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure set_window_size [2024-11-23 22:49:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure set_window_size [2024-11-23 22:49:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-23 22:49:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-23 22:49:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-23 22:49:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_sfx [2024-11-23 22:49:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_sfx [2024-11-23 22:49:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure find_param [2024-11-23 22:49:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure find_param [2024-11-23 22:49:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure xatoul_range_sfx [2024-11-23 22:49:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoul_range_sfx [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure tty_value_to_baud [2024-11-23 22:49:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_value_to_baud [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure nth_string [2024-11-23 22:49:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure nth_string [2024-11-23 22:49:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure find_mode [2024-11-23 22:49:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mode [2024-11-23 22:49:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:49:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:49:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 22:49:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 22:49:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-23 22:49:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-23 22:49:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-23 22:49:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-23 22:49:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure display_speed [2024-11-23 22:49:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure display_speed [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure tty_baud_to_value [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_baud_to_value [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg_and_die [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg_and_die [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_ptr_to_tcflag [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ptr_to_tcflag [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetattr [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure tcgetattr [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure recover_mode [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_mode [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:49:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:49:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_speed_or_die [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_speed_or_die [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_range_sfx [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_range_sfx [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure find_control [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure find_control [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure xatou [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure xatou [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure perror_on_device [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure perror_on_device [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2024-11-23 22:49:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2024-11-23 22:49:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure index_in_strings [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure index_in_strings [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure newline [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure newline [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure wrapf [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure wrapf [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure display_window_size [2024-11-23 22:49:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure display_window_size [2024-11-23 22:49:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 22:49:15,582 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:49:15,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:50:46,575 INFO L? ?]: Removed 1245 outVars from TransFormulas that were not future-live. [2024-11-23 22:50:46,575 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:50:46,632 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:50:46,636 INFO L312 CfgBuilder]: Removed 37 assume(true) statements. [2024-11-23 22:50:46,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:50:46 BoogieIcfgContainer [2024-11-23 22:50:46,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:50:46,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:50:46,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:50:46,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:50:46,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:49:09" (1/3) ... [2024-11-23 22:50:46,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2641e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:50:46, skipping insertion in model container [2024-11-23 22:50:46,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:49:13" (2/3) ... [2024-11-23 22:50:46,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df2641e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:50:46, skipping insertion in model container [2024-11-23 22:50:46,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:50:46" (3/3) ... [2024-11-23 22:50:46,652 INFO L128 eAbstractionObserver]: Analyzing ICFG stty-1.i [2024-11-23 22:50:46,677 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:50:46,681 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stty-1.i that has 37 procedures, 1373 locations, 1 initial locations, 31 loop locations, and 141 error locations. [2024-11-23 22:50:46,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:50:46,816 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;@6134a480, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:50:46,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2024-11-23 22:50:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 1373 states, 1050 states have (on average 1.601904761904762) internal successors, (1682), 1245 states have internal predecessors, (1682), 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) [2024-11-23 22:50:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 22:50:46,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:50:46,840 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 22:50:46,840 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)] === [2024-11-23 22:50:46,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:50:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2097135225, now seen corresponding path program 1 times [2024-11-23 22:50:46,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:50:46,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473525333] [2024-11-23 22:50:46,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:50:46,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms