./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 cf1a7837 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_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 00:53:10,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:10,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-12 00:53:10,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:10,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:10,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:10,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:10,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:10,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:10,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:10,357 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:10,357 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:10,358 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:10,359 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:53:10,360 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:10,360 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:10,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:53:10,361 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:53:10,362 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:10,362 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:53:10,363 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:53:10,363 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:53:10,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:53:10,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:53:10,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:10,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:10,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:10,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:10,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:10,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:10,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:10,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:53:10,369 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:53:10,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:10,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:10,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:10,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:53:10,370 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:10,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:10,370 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:10,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:10,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:10,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:10,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:10,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:10,372 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:53:10,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:53:10,372 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:10,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:10,373 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_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-12 00:53:10,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:10,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:10,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:10,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:10,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:10,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-12 00:53:13,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:14,023 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:14,023 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-12 00:53:14,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/7b0fe5d61/e28623f80be4475caa9417c7613e8a26/FLAG23f974343 [2023-11-12 00:53:14,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/7b0fe5d61/e28623f80be4475caa9417c7613e8a26 [2023-11-12 00:53:14,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:14,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:14,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:14,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:14,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:14,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:14" (1/1) ... [2023-11-12 00:53:14,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6892d12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:14, skipping insertion in model container [2023-11-12 00:53:14,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:14" (1/1) ... [2023-11-12 00:53:14,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:14,492 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-12 00:53:14,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@284ccfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:14, skipping insertion in model container [2023-11-12 00:53:14,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:14,494 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:53:14,496 INFO L158 Benchmark]: Toolchain (without parser) took 416.52ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:53:14,496 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:14,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.55ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:53:14,499 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 67.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.55ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). 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_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX --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 0.2.3-dev-cf1a783 [2023-11-12 00:53:17,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:17,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-12 00:53:17,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:17,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:17,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:17,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:17,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:17,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:17,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:17,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:17,262 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:17,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:17,264 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:17,265 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:17,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:17,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:53:17,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:53:17,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:17,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:17,269 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:53:17,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:53:17,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:53:17,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:17,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:17,272 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:53:17,272 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:53:17,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:17,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:17,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:17,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:17,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:17,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:53:17,276 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:53:17,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:17,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:17,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:17,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:17,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:17,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:17,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:17,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:17,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:17,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:17,280 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:17,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:17,281 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_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-12 00:53:17,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:17,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:17,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:17,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:17,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:17,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-12 00:53:20,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:21,236 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:21,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-12 00:53:21,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/aed2ec29e/efaa26f75bdc459883b933a0750b154f/FLAG52c65d2b8 [2023-11-12 00:53:21,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8f8fad-d244-4595-bc19-1db30cb84f1f/bin/utaipan-verify-NcY6lQBIFX/data/aed2ec29e/efaa26f75bdc459883b933a0750b154f [2023-11-12 00:53:21,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:21,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:21,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:21,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:21,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:21,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:21" (1/1) ... [2023-11-12 00:53:21,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e07a074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:21, skipping insertion in model container [2023-11-12 00:53:21,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:21" (1/1) ... [2023-11-12 00:53:21,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:21,667 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-12 00:53:21,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e49c971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:21, skipping insertion in model container [2023-11-12 00:53:21,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:21,669 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:53:21,671 INFO L158 Benchmark]: Toolchain (without parser) took 400.68ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 47.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:53:21,672 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:21,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.23ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 47.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:53:21,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.23ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 47.5MB in the end (delta: 11.0MB). 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