./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/heavy-2.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/heavy-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E --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 32bit --witnessprinter.graph.data.programhash 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-14 02:54:56,324 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-14 02:54:56,390 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf
[2024-11-14 02:54:56,396 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-14 02:54:56,396 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-14 02:54:56,422 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-14 02:54:56,423 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-14 02:54:56,423 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-14 02:54:56,424 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-14 02:54:56,424 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-14 02:54:56,424 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-14 02:54:56,424 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-14 02:54:56,425 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-14 02:54:56,426 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-14 02:54:56,426 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-14 02:54:56,426 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-14 02:54:56,426 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-14 02:54:56,427 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-14 02:54:56,427 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-14 02:54:56,427 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-14 02:54:56,427 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-14 02:54:56,427 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-14 02:54:56,428 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-14 02:54:56,429 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-14 02:54:56,429 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-14 02:54:56,429 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-14 02:54:56,429 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-14 02:54:56,429 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-14 02:54:56,429 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-14 02:54:56,430 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-14 02:54:56,430 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941
[2024-11-14 02:54:56,770 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-14 02:54:56,786 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-14 02:54:56,792 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-14 02:54:56,794 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-14 02:54:56,794 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-14 02:54:56,796 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/loops/heavy-2.c
Unable to find full path for "g++"
[2024-11-14 02:54:58,963 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-14 02:54:59,306 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-14 02:54:59,307 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/sv-benchmarks/c/loops/heavy-2.c
[2024-11-14 02:54:59,316 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/data/829f346da/826a4d428831486fb2266907d12b4e9b/FLAGc1bcfd135
[2024-11-14 02:54:59,333 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b039d14e-daec-4f69-8306-c0f1b3162b59/bin/utaipan-verify-sOmjnqqW8E/data/829f346da/826a4d428831486fb2266907d12b4e9b
[2024-11-14 02:54:59,336 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-14 02:54:59,338 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-14 02:54:59,340 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-14 02:54:59,340 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-14 02:54:59,345 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-14 02:54:59,346 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:54:59" (1/1) ...
[2024-11-14 02:54:59,347 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d28f170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:54:59, skipping insertion in model container
[2024-11-14 02:54:59,348 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:54:59" (1/1) ...
[2024-11-14 02:54:59,363 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-14 02:54:59,565 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 02:55:04,145 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-14 02:55:04,160 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-14 02:55:12,312 INFO  L204         MainTranslator]: Completed translation
[2024-11-14 02:55:12,313 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:55:12 WrapperNode
[2024-11-14 02:55:12,313 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-14 02:55:12,314 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-14 02:55:12,314 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-14 02:55:12,314 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-14 02:55:12,320 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:55:12" (1/1) ...
[2024-11-14 02:55:23,082 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:55:12" (1/1) ...