./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-lopstr16/single_elem_safe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/array-lopstr16/single_elem_safe.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash f1aed9bc44add9424c35127ba8c0166402387241540742ea765fb4b7385c8271 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:21:50,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:21:50,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:21:50,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:21:50,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:21:50,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:21:50,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:21:50,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:21:50,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:21:50,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:21:50,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:21:50,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:21:50,738 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:50,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:50,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:50,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:21:50,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:21:50,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:21:50,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:21:50,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:21:50,743 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1aed9bc44add9424c35127ba8c0166402387241540742ea765fb4b7385c8271 [2025-01-10 01:21:51,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:21:51,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:21:51,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:21:51,073 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:21:51,073 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:21:51,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2025-01-10 01:21:52,259 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a16d5f037/fb1eb5cddcb04c28bb4f816c1233967a/FLAG4bfc54c40 [2025-01-10 01:21:52,504 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:21:52,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2025-01-10 01:21:52,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a16d5f037/fb1eb5cddcb04c28bb4f816c1233967a/FLAG4bfc54c40 [2025-01-10 01:21:52,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a16d5f037/fb1eb5cddcb04c28bb4f816c1233967a [2025-01-10 01:21:52,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:21:52,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:21:52,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:21:52,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:21:52,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:21:52,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:52" (1/1) ... [2025-01-10 01:21:52,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669af589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:52, skipping insertion in model container [2025-01-10 01:21:52,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:52" (1/1) ... [2025-01-10 01:21:52,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:21:52,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:21:57,124 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:21:57,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:22:04,219 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:22:04,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:04 WrapperNode [2025-01-10 01:22:04,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:22:04,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:22:04,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:22:04,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:22:04,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:04" (1/1) ... [2025-01-10 01:22:14,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:04" (1/1) ...