./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 30e01a73 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_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire --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 fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:25,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:26,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-23 21:28:26,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:26,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:26,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:26,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:26,218 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:26,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:26,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:26,227 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:26,229 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:26,229 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:26,232 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:26,232 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:26,233 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:26,234 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:26,234 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:26,235 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:26,236 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:26,236 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:26,237 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:26,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:28:26,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:28:26,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:26,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:26,243 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:26,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:26,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:26,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:26,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:26,247 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:28:26,247 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:28:26,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:26,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:26,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:26,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:28:26,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:26,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:26,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:26,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:26,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:26,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:26,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:26,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:26,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:26,253 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:26,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:26,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:26,254 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:26,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:26,255 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_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea [2023-11-23 21:28:26,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:26,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:26,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:26,774 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:26,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:26,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-23 21:28:30,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:30,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:30,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-23 21:28:30,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/12977ae8c/6a2d8f409b264db29ba35120db775be8/FLAG4e190ed2e [2023-11-23 21:28:30,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/12977ae8c/6a2d8f409b264db29ba35120db775be8 [2023-11-23 21:28:30,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:30,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:30,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:30,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:30,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:30,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:30" (1/1) ... [2023-11-23 21:28:30,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b9b55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:30, skipping insertion in model container [2023-11-23 21:28:30,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:30" (1/1) ... [2023-11-23 21:28:30,934 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:31,252 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:28:31,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26886dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:31, skipping insertion in model container [2023-11-23 21:28:31,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:31,254 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:28:31,257 INFO L158 Benchmark]: Toolchain (without parser) took 396.26ms. Allocated memory is still 111.1MB. Free memory was 70.0MB in the beginning and 59.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:31,258 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 78.4MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:31,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.27ms. Allocated memory is still 111.1MB. Free memory was 69.6MB in the beginning and 59.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:31,261 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 78.4MB in the end (delta: 34.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.27ms. Allocated memory is still 111.1MB. Free memory was 69.6MB in the beginning and 59.1MB 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: 570]: Unsupported Syntax Unsupported function: atexit 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_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire --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 fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:34,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:34,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-23 21:28:34,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:34,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:34,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:34,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:34,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:34,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:34,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:34,559 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:34,560 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:34,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:34,563 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:34,563 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:34,564 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:34,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:28:34,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:28:34,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:34,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:34,570 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:34,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:34,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:34,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:34,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:34,574 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:28:34,574 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:28:34,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:34,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:34,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:28:34,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:28:34,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:28:34,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:28:34,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:34,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:34,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:34,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:34,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:28:34,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:34,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:34,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:34,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:34,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:34,586 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:28:34,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:28:34,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:34,588 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:34,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:34,588 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_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea [2023-11-23 21:28:35,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:35,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:35,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:35,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:35,177 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:35,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-23 21:28:38,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:39,332 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:39,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-23 21:28:39,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/9aa9fa22b/a4534228e4934749b8a856ec384219c8/FLAG847c51db1 [2023-11-23 21:28:39,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d88b2ac-a056-4a23-b94c-b67701e0a047/bin/utaipan-verify-mE87zJ7Ire/data/9aa9fa22b/a4534228e4934749b8a856ec384219c8 [2023-11-23 21:28:39,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:39,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:39,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:39,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:39,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:39,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:39" (1/1) ... [2023-11-23 21:28:39,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503949b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:39, skipping insertion in model container [2023-11-23 21:28:39,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:39" (1/1) ... [2023-11-23 21:28:39,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:39,928 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:28:39,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@660b01e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:39, skipping insertion in model container [2023-11-23 21:28:39,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:39,931 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:28:39,934 INFO L158 Benchmark]: Toolchain (without parser) took 551.36ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 45.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:28:39,935 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:39,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.06ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 45.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:28:39,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.06ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 45.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit 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