./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/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_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-30e01a7 [2023-11-23 21:21:53,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:53,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-23 21:21:53,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:53,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:53,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:53,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:53,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:53,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:53,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:53,859 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:53,860 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:53,861 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:53,862 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:53,863 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:53,863 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:53,864 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:53,864 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:53,865 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:53,865 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:53,866 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:53,866 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:53,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:21:53,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:21:53,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:53,869 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:53,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:53,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:53,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:53,871 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:21:53,872 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:21:53,873 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:21:53,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:53,873 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:53,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:21:53,874 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:53,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:53,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:53,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:53,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:53,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:53,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:53,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:53,877 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:53,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:53,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:53,878 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:53,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:53,878 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_167f1594-b7ee-4185-96c8-fcf3c0dde639/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-23 21:21:54,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:54,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:54,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:54,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:54,265 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:54,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:21:57,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:57,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:57,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:21:57,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/f1039d07a/4047db0e19b6434ba42757adb1c6da23/FLAGf8bc23cb9 [2023-11-23 21:21:57,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/f1039d07a/4047db0e19b6434ba42757adb1c6da23 [2023-11-23 21:21:57,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:57,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:57,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:58,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:58,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:58,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:57" (1/1) ... [2023-11-23 21:21:58,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9a0112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:58, skipping insertion in model container [2023-11-23 21:21:58,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:57" (1/1) ... [2023-11-23 21:21:58,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:58,500 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:21:58,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ee60523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:58, skipping insertion in model container [2023-11-23 21:21:58,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:58,502 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:21:58,504 INFO L158 Benchmark]: Toolchain (without parser) took 509.38ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 128.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:21:58,505 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:58,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.86ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 128.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:21:58,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.86ms. Allocated memory is still 184.5MB. Free memory was 139.4MB in the beginning and 128.9MB 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_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/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_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-30e01a7 [2023-11-23 21:22:01,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:01,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-23 21:22:01,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:01,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:01,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:01,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:01,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:01,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:01,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:01,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:01,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:01,403 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:01,405 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:01,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:01,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:01,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:22:01,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:22:01,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:01,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:01,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:01,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:01,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:01,412 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:22:01,412 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:22:01,413 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:22:01,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:01,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:22:01,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:22:01,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:22:01,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:22:01,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:01,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:01,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:01,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:22:01,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:01,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:01,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:01,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:01,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:01,420 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:22:01,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:01,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:01,421 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:01,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:01,422 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_167f1594-b7ee-4185-96c8-fcf3c0dde639/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-11-23 21:22:01,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:01,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:01,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:01,892 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:01,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:01,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:22:05,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:05,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:05,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-11-23 21:22:05,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/776b943d7/ff149ba756754d43be8f33429ac9e255/FLAG2aab60235 [2023-11-23 21:22:05,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_167f1594-b7ee-4185-96c8-fcf3c0dde639/bin/utaipan-verify-mE87zJ7Ire/data/776b943d7/ff149ba756754d43be8f33429ac9e255 [2023-11-23 21:22:05,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:05,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:05,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:05,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:05,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:05,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:05,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3908d1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:05, skipping insertion in model container [2023-11-23 21:22:05,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:05" (1/1) ... [2023-11-23 21:22:06,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:06,423 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:22:06,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1daf2c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:06, skipping insertion in model container [2023-11-23 21:22:06,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:06,425 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:22:06,427 INFO L158 Benchmark]: Toolchain (without parser) took 485.05ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 42.5MB in the beginning and 67.3MB in the end (delta: -24.8MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,428 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:06,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.94ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 67.3MB in the end (delta: -25.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,432 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.94ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 67.3MB in the end (delta: -25.0MB). Peak memory consumption was 16.1MB. 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