./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.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_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91 --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:15,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:15,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-24 23:14:15,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:15,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:15,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:15,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:15,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:15,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:15,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:15,403 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:15,404 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:15,404 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:15,406 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:15,406 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:15,407 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:15,407 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:15,407 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:15,408 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:15,408 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:15,408 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:15,409 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:15,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:14:15,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:14:15,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:15,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:15,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:15,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:15,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:15,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:15,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:15,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:14:15,415 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:14:15,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:15,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:15,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:15,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:15,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:15,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:15,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:15,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:15,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:15,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:15,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:15,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:15,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:15,429 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_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-24 23:14:15,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:15,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:15,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:15,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:15,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:15,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-24 23:14:18,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:19,014 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:19,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-24 23:14:19,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/c996e17c2/ceb48a74dcf24ca69235f129e80a47eb/FLAGfe93e0316 [2023-11-24 23:14:19,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/c996e17c2/ceb48a74dcf24ca69235f129e80a47eb [2023-11-24 23:14:19,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:19,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:19,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:19,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:19,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:19,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:19" (1/1) ... [2023-11-24 23:14:19,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52740cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:19, skipping insertion in model container [2023-11-24 23:14:19,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:19" (1/1) ... [2023-11-24 23:14:19,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:19,425 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-24 23:14:19,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46e42576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:19, skipping insertion in model container [2023-11-24 23:14:19,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:19,427 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:14:19,429 INFO L158 Benchmark]: Toolchain (without parser) took 372.38ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 111.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:14:19,429 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:19,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.98ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 111.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:14:19,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.98ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 111.3MB in the end (delta: 11.1MB). 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_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91 --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:22,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:22,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:22,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:22,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:22,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:22,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:22,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:22,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:22,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:22,283 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:22,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:22,284 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:22,286 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:22,286 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:22,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:22,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:14:22,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:14:22,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:22,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:22,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:22,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:22,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:22,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:22,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:22,292 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:14:22,293 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:14:22,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:22,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:22,294 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:22,295 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:22,296 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:22,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:14:22,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:22,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:22,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:22,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:22,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:22,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:22,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:22,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:22,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:22,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:22,300 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:22,300 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:22,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:22,301 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:22,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:22,301 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_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-24 23:14:22,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:22,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:22,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:22,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:22,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:22,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-24 23:14:25,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:26,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:26,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-24 23:14:26,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/6cd03ff2f/bac1a50b652f4f6d8752cb7215220053/FLAG44a2786d4 [2023-11-24 23:14:26,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f8a7407-6421-41fe-8654-9d8c539f33de/bin/utaipan-verify-SwPr7d2a91/data/6cd03ff2f/bac1a50b652f4f6d8752cb7215220053 [2023-11-24 23:14:26,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:26,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:26,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:26,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:26,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:26,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:26" (1/1) ... [2023-11-24 23:14:26,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2b770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:26, skipping insertion in model container [2023-11-24 23:14:26,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:26" (1/1) ... [2023-11-24 23:14:26,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:26,924 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-24 23:14:26,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@305800b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:26, skipping insertion in model container [2023-11-24 23:14:26,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:26,930 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:14:26,932 INFO L158 Benchmark]: Toolchain (without parser) took 566.18ms. Allocated memory is still 107.0MB. Free memory was 81.9MB in the beginning and 70.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:14:26,933 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:26,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.72ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 70.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:14:26,937 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.72ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 70.6MB in the end (delta: 11.1MB). 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