./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:36:17,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:36:17,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-12-02 14:36:17,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:36:17,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:36:17,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:36:17,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:36:17,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:36:17,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:36:17,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:36:17,946 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:36:17,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:36:17,947 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:36:17,948 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:36:17,949 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:36:17,949 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:36:17,950 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:36:17,950 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:36:17,951 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:36:17,952 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:36:17,952 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:36:17,953 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:36:17,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 14:36:17,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 14:36:17,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:36:17,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:36:17,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:36:17,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:36:17,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:36:17,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:36:17,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:36:17,957 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 14:36:17,957 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 14:36:17,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:36:17,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:36:17,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:36:17,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 14:36:17,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:36:17,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:36:17,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:36:17,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:36:17,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:36:17,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:36:17,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:36:17,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:36:17,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:36:17,961 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:36:17,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:36:17,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:36:17,962 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:36:17,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:36:17,962 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_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-12-02 14:36:18,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:36:18,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:36:18,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:36:18,195 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:36:18,195 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:36:18,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-12-02 14:36:21,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:36:21,232 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:36:21,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-12-02 14:36:21,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/85be13e9f/5d643f2cb2ed4e45aefd9c3962c76af3/FLAG76c46c8a7 [2023-12-02 14:36:21,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/85be13e9f/5d643f2cb2ed4e45aefd9c3962c76af3 [2023-12-02 14:36:21,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:36:21,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:36:21,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:36:21,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:36:21,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:36:21,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:21" (1/1) ... [2023-12-02 14:36:21,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59db8201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:21, skipping insertion in model container [2023-12-02 14:36:21,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:21" (1/1) ... [2023-12-02 14:36:21,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:36:21,581 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-12-02 14:36:21,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d8812c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:21, skipping insertion in model container [2023-12-02 14:36:21,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:36:21,582 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 14:36:21,584 INFO L158 Benchmark]: Toolchain (without parser) took 315.21ms. Allocated memory is still 180.4MB. Free memory was 139.8MB in the beginning and 128.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:36:21,585 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:36:21,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 128.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 14:36:21,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.69ms. Allocated memory is still 180.4MB. Free memory was 139.3MB in the beginning and 128.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:36:23,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:36:23,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-12-02 14:36:23,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:36:23,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:36:23,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:36:23,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:36:23,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:36:23,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:36:23,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:36:23,507 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:36:23,507 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:36:23,508 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:36:23,508 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:36:23,509 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:36:23,509 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:36:23,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 14:36:23,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 14:36:23,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:36:23,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:36:23,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:36:23,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:36:23,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:36:23,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:36:23,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:36:23,515 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 14:36:23,515 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 14:36:23,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:36:23,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:36:23,516 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:36:23,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:36:23,517 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:36:23,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 14:36:23,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:36:23,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:36:23,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:36:23,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:36:23,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:36:23,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:36:23,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:36:23,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:36:23,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:36:23,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:36:23,520 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:36:23,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:36:23,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:36:23,521 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:36:23,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:36:23,521 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-12-02 14:36:23,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:36:23,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:36:23,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:36:23,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:36:23,836 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:36:23,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-12-02 14:36:26,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:36:26,914 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:36:26,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-12-02 14:36:26,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/23ac1716c/1c8734c4497543fca43ebb2cf1129e80/FLAGc5fddd633 [2023-12-02 14:36:26,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3df0cda-587c-404f-85a0-39da4a477179/bin/utaipan-verify-nQ1chXbOIh/data/23ac1716c/1c8734c4497543fca43ebb2cf1129e80 [2023-12-02 14:36:26,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:36:26,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:36:26,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:36:26,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:36:26,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:36:26,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:26" (1/1) ... [2023-12-02 14:36:26,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17353f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:26, skipping insertion in model container [2023-12-02 14:36:26,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:36:26" (1/1) ... [2023-12-02 14:36:27,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:36:27,258 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-12-02 14:36:27,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e7d88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:36:27, skipping insertion in model container [2023-12-02 14:36:27,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:36:27,260 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 14:36:27,262 INFO L158 Benchmark]: Toolchain (without parser) took 304.55ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 71.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:36:27,262 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:36:27,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.73ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 71.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:36:27,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.73ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 71.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN