./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 a0165632
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_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/heavy-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje --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 0.2.5-dev-a016563
[2024-11-09 06:57:57,611 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 06:57:57,672 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf
[2024-11-09 06:57:57,677 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 06:57:57,677 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 06:57:57,715 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 06:57:57,715 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 06:57:57,716 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 06:57:57,717 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 06:57:57,717 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 06:57:57,718 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2024-11-09 06:57:57,718 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-09 06:57:57,719 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2024-11-09 06:57:57,719 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-09 06:57:57,719 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2024-11-09 06:57:57,720 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2024-11-09 06:57:57,720 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2024-11-09 06:57:57,721 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2024-11-09 06:57:57,721 INFO  L153        SettingsManager]:  * Interval Domain=false
[2024-11-09 06:57:57,722 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-09 06:57:57,722 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2024-11-09 06:57:57,723 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2024-11-09 06:57:57,724 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-09 06:57:57,728 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-09 06:57:57,728 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 06:57:57,728 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 06:57:57,729 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 06:57:57,729 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 06:57:57,729 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 06:57:57,730 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-09 06:57:57,730 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-09 06:57:57,732 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-09 06:57:57,733 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 06:57:57,733 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-09 06:57:57,733 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 06:57:57,734 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-09 06:57:57,734 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 06:57:57,734 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 06:57:57,734 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 06:57:57,736 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 06:57:57,736 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 06:57:57,737 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-09 06:57:57,737 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 06:57:57,745 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 06:57:57,746 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2024-11-09 06:57:57,746 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 06:57:57,747 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 06:57:57,747 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2024-11-09 06:57:57,747 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 06:57:57,747 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_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/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_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje
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
[2024-11-09 06:57:58,005 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 06:57:58,063 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 06:57:58,069 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 06:57:58,071 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 06:57:58,071 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 06:57:58,073 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/loops/heavy-2.c
Unable to find full path for "g++"
[2024-11-09 06:58:00,062 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 06:58:00,262 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 06:58:00,263 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/sv-benchmarks/c/loops/heavy-2.c
[2024-11-09 06:58:00,271 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/data/0a8a3c8b9/459c9b2ee9c54ae2bc8a1afc9a7f649c/FLAG210975b3f
[2024-11-09 06:58:00,291 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82488c3c-68da-4b77-a0bd-05c504115543/bin/utaipan-verify-YMUCfTKeje/data/0a8a3c8b9/459c9b2ee9c54ae2bc8a1afc9a7f649c
[2024-11-09 06:58:00,294 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 06:58:00,296 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 06:58:00,298 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 06:58:00,298 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 06:58:00,305 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 06:58:00,306 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:00" (1/1) ...
[2024-11-09 06:58:00,308 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b94bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:00, skipping insertion in model container
[2024-11-09 06:58:00,308 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:00" (1/1) ...
[2024-11-09 06:58:00,333 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 06:58:00,541 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:58:06,246 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 06:58:06,263 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 06:58:15,837 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 06:58:15,838 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:15 WrapperNode
[2024-11-09 06:58:15,838 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 06:58:15,839 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 06:58:15,839 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 06:58:15,839 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 06:58:15,847 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:15" (1/1) ...
[2024-11-09 06:58:34,585 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:15" (1/1) ...