./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-lopstr16/partial_lesser_bound-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/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_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-lopstr16/partial_lesser_bound-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/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 32bit --witnessprinter.graph.data.programhash e683f6e2db40131b14c5db4c44cb0bc308464b8b58cfd5d36c28d692bcb3b448 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:39:34,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:39:34,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:39:34,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:39:34,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:39:34,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:39:34,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:39:34,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:39:34,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:39:34,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:39:34,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:39:34,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:39:34,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:39:34,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:39:34,168 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:39:34,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:39:34,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:39:34,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:39:34,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:39:34,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:39:34,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:34,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:34,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:34,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:34,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:34,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:39:34,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:39:34,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:39:34,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:39:34,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:39:34,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:39:34,173 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_56952d58-846c-4dcf-8445-8a35cd5710f9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e683f6e2db40131b14c5db4c44cb0bc308464b8b58cfd5d36c28d692bcb3b448 [2024-11-28 02:39:34,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:39:34,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:39:34,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:39:34,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:39:34,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:39:34,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-lopstr16/partial_lesser_bound-1.i [2024-11-28 02:39:37,566 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/data/0df881ff1/bc1b5cd8a1ae45c399d46917a95cc779/FLAG48c5db7bf [2024-11-28 02:39:37,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:37,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/sv-benchmarks/c/array-lopstr16/partial_lesser_bound-1.i [2024-11-28 02:39:37,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/data/0df881ff1/bc1b5cd8a1ae45c399d46917a95cc779/FLAG48c5db7bf [2024-11-28 02:39:37,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56952d58-846c-4dcf-8445-8a35cd5710f9/bin/uautomizer-verify-aQ6SnzHsRB/data/0df881ff1/bc1b5cd8a1ae45c399d46917a95cc779 [2024-11-28 02:39:37,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:37,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:37,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:37,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:37,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:37,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:37" (1/1) ... [2024-11-28 02:39:37,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a44f1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:37, skipping insertion in model container [2024-11-28 02:39:37,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:37" (1/1) ... [2024-11-28 02:39:37,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:38,101 INFO L210 PostProcessor]: Analyzing one entry point: main