./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/join_3args_klee-sa_ko_473-810_csa_nd.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/join_3args_klee-sa_ko_473-810_csa_nd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dfd4d4a841c38d8b4c7fabcb8f2c8aa4bc69ef3f3ccbb87b33b0dc5f47048e98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:10,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:10,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2024-11-02 12:38:10,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:10,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:10,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:10,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:10,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:10,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:10,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:10,640 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:10,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:10,641 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:10,642 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:38:10,642 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:10,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:10,643 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:38:10,643 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:38:10,644 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:10,644 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:38:10,645 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:38:10,646 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:38:10,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 12:38:10,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 12:38:10,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:10,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:38:10,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:10,649 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 12:38:10,649 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 12:38:10,650 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 12:38:10,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:10,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:38:10,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:10,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:38:10,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:10,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:10,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:10,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:10,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:10,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:10,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:10,655 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:38:10,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:38:10,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:10,656 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:10,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:10,657 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfd4d4a841c38d8b4c7fabcb8f2c8aa4bc69ef3f3ccbb87b33b0dc5f47048e98 [2024-11-02 12:38:10,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:10,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:10,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:10,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:10,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:10,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/coreutils-v8.31/join_3args_klee-sa_ko_473-810_csa_nd.c Unable to find full path for "g++" [2024-11-02 12:38:13,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:38:16,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:38:17,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/sv-benchmarks/c/coreutils-v8.31/join_3args_klee-sa_ko_473-810_csa_nd.c [2024-11-02 12:38:17,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/data/96f701d33/1c001153c5e24080bf4f53245836a353/FLAG77e866ab4 [2024-11-02 12:38:17,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09d508b-0d18-4de7-b7e1-66f0cc0a4ee4/bin/utaipan-verify-DbMuA5NWw2/data/96f701d33/1c001153c5e24080bf4f53245836a353 [2024-11-02 12:38:17,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:38:17,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:38:17,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:38:17,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:38:17,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:38:17,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:17" (1/1) ... [2024-11-02 12:38:17,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6358c336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:38:17, skipping insertion in model container [2024-11-02 12:38:17,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:38:17" (1/1) ... [2024-11-02 12:38:28,862 INFO L175 MainTranslator]: Built tables and reachable declarations