./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-lopstr16/single_elem_safe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/single_elem_safe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1aed9bc44add9424c35127ba8c0166402387241540742ea765fb4b7385c8271 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:34:35,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:34:35,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:34:35,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:34:35,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:34:35,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:34:35,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:34:35,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:34:35,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:34:35,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:34:35,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:34:35,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:34:35,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:34:35,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:34:35,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:34:35,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:34:35,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 [2024-12-06 05:34:36,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:34:36,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:34:36,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:34:36,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:34:36,041 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:34:36,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2024-12-06 05:34:38,702 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/data/d678b78c0/9979c5dd625b48a3a7dbf5603d47f713/FLAG5e95543e9 [2024-12-06 05:34:38,890 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:34:38,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/sv-benchmarks/c/array-lopstr16/single_elem_safe.i [2024-12-06 05:34:38,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/data/d678b78c0/9979c5dd625b48a3a7dbf5603d47f713/FLAG5e95543e9 [2024-12-06 05:34:39,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/bin/ukojak-verify-CZk0znPC7b/data/d678b78c0/9979c5dd625b48a3a7dbf5603d47f713 [2024-12-06 05:34:39,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:34:39,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:34:39,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:39,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:34:39,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:34:39,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:39" (1/1) ... [2024-12-06 05:34:39,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398a9ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:39, skipping insertion in model container [2024-12-06 05:34:39,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:34:39" (1/1) ... [2024-12-06 05:34:39,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:34:39,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/sv-benchmarks/c/array-lopstr16/single_elem_safe.i[809,822] [2024-12-06 05:34:39,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:43,256 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:34:43,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b044fcd1-8385-4ce5-9701-f0e890939363/sv-benchmarks/c/array-lopstr16/single_elem_safe.i[809,822] [2024-12-06 05:34:43,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:34:50,928 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:34:50,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50 WrapperNode [2024-12-06 05:34:50,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:34:50,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:34:50,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:34:50,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:34:50,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:34:57,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:17,461 INFO L138 Inliner]: procedures = 20, calls = 1000020, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000072 [2024-12-06 05:35:17,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:35:17,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:35:17,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:35:17,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:35:17,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:17,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:24,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:24,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:35,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:35,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:36,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:36,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ... [2024-12-06 05:35:37,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:34:50" (1/1) ...