./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/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_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/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_e10d2130-d27c-4656-9a81-ae0acac500e7/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:10,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:10,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-12 00:54:10,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:10,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:10,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:10,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:10,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:10,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:10,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:10,308 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:10,309 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:10,310 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:10,312 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:10,312 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:10,313 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:10,314 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:10,314 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:10,315 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:10,315 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:10,316 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:10,317 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:10,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:54:10,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:54:10,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:10,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:10,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:10,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:10,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:10,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:10,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:10,324 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:54:10,324 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:54:10,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:10,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:10,325 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:10,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:10,326 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:10,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:10,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:10,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:10,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:10,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:10,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:10,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:10,329 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:10,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:10,330 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:10,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:10,331 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_e10d2130-d27c-4656-9a81-ae0acac500e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-11-12 00:54:10,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:10,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:10,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:10,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:10,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:10,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-12 00:54:13,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:14,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:14,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-12 00:54:14,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/b65a5d21f/c1b91b65ea7c4aaca0f2e52d9281d7b5/FLAGc5cbbe2d2 [2023-11-12 00:54:14,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/b65a5d21f/c1b91b65ea7c4aaca0f2e52d9281d7b5 [2023-11-12 00:54:14,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:14,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:14,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:14,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:14,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:14,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:14" (1/1) ... [2023-11-12 00:54:14,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73607cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:14, skipping insertion in model container [2023-11-12 00:54:14,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:14" (1/1) ... [2023-11-12 00:54:14,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:14,539 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-11-12 00:54:14,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37149a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:14, skipping insertion in model container [2023-11-12 00:54:14,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:14,541 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:54:14,543 INFO L158 Benchmark]: Toolchain (without parser) took 341.46ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:14,544 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:14,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.90ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:14,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.90ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 96.4MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/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_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/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_e10d2130-d27c-4656-9a81-ae0acac500e7/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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:17,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:17,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-12 00:54:17,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:17,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:17,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:17,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:17,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:17,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:17,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:17,340 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:17,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:17,342 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:17,347 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:17,348 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:17,349 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:17,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:54:17,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:54:17,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:17,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:17,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:17,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:17,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:17,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:17,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:17,358 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:54:17,358 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:54:17,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:17,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:17,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:17,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:54:17,363 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:54:17,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:17,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:17,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:17,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:17,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:17,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:54:17,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:17,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:17,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:17,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:17,372 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:54:17,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:54:17,373 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:17,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:17,373 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_e10d2130-d27c-4656-9a81-ae0acac500e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2023-11-12 00:54:17,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:17,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:17,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:17,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:17,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:17,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-12 00:54:21,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:21,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:21,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/sv-benchmarks/c/memsafety/global-atexit-1.i [2023-11-12 00:54:21,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/6fa41712a/d945e34d651a438e9ea9c01ad9446248/FLAGea04f29af [2023-11-12 00:54:21,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e10d2130-d27c-4656-9a81-ae0acac500e7/bin/utaipan-verify-NcY6lQBIFX/data/6fa41712a/d945e34d651a438e9ea9c01ad9446248 [2023-11-12 00:54:21,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:21,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:21,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:21,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:21,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:21,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:21" (1/1) ... [2023-11-12 00:54:21,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4375d53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:21, skipping insertion in model container [2023-11-12 00:54:21,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:21" (1/1) ... [2023-11-12 00:54:21,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:21,858 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2023-11-12 00:54:21,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@615385f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:21, skipping insertion in model container [2023-11-12 00:54:21,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:21,863 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:54:21,865 INFO L158 Benchmark]: Toolchain (without parser) took 339.05ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 56.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:21,866 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:21,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.32ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 56.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:21,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.32ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 56.5MB in the end (delta: 10.8MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN