./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_257-267-292_csa_nd.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_257-267-292_csa_nd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e1e42bd6eaed199fee192a50c6f457fb59a1139d7565189a03667d6c62ca660 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:05,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:05,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-26 12:05:05,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:05,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:05,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:05,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:05,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:05,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:05,180 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:05,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:05,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:05,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:05,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:05,193 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:05,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:05,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:05,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:05,195 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 12:05:05,196 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 12:05:05,196 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 12:05:05,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:05,199 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:05:05,199 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:05:05,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:05,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:05,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:05,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:05,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:05,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:05,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:05,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:05,205 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:05,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:05,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:05,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:05,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:05,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:05,207 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1e42bd6eaed199fee192a50c6f457fb59a1139d7565189a03667d6c62ca660 [2023-11-26 12:05:05,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:05,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:05,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:05,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:05,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:05,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_257-267-292_csa_nd.c [2023-11-26 12:05:08,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:12,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:12,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_257-267-292_csa_nd.c [2023-11-26 12:05:13,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/data/a47675d46/6e09f719f72944479b9dc1cc519bd146/FLAG5de6061d9 [2023-11-26 12:05:13,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_682a840a-db61-40e8-8eef-88d1bd6238be/bin/uautomizer-verify-VRDe98Ueme/data/a47675d46/6e09f719f72944479b9dc1cc519bd146 [2023-11-26 12:05:13,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:13,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:13,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:13,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:13,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:13,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:13" (1/1) ... [2023-11-26 12:05:13,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fca2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:13, skipping insertion in model container [2023-11-26 12:05:13,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:13" (1/1) ... [2023-11-26 12:05:24,017 INFO L177 MainTranslator]: Built tables and reachable declarations