./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.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_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/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_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/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_311b95d5-1b56-4130-9600-c6c80e3ae983/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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:15,643 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:15,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-23 21:08:15,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:15,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:15,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:15,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:15,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:15,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:15,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:15,760 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:15,761 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:15,761 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:15,762 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:15,763 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:15,763 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:15,764 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:15,764 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:15,765 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:15,766 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:15,766 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:15,767 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:15,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:08:15,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:08:15,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:15,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:15,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:15,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:15,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:15,772 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:08:15,772 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:08:15,773 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:08:15,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:15,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:08:15,774 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:08:15,774 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:15,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:15,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:15,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:15,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:15,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:15,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:15,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:15,777 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:15,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:15,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:15,778 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:15,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:15,778 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_311b95d5-1b56-4130-9600-c6c80e3ae983/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2023-11-23 21:08:16,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:16,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:16,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:16,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:16,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:16,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2023-11-23 21:08:19,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:19,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:19,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/sv-benchmarks/c/memsafety/global-atexit-5.i [2023-11-23 21:08:19,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/489fdc6fa/6cdb740061984c96bc469cb844e6bb56/FLAG37b86ce13 [2023-11-23 21:08:19,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/489fdc6fa/6cdb740061984c96bc469cb844e6bb56 [2023-11-23 21:08:19,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:19,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:19,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:19,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:19,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:19,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:19" (1/1) ... [2023-11-23 21:08:19,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112af00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:19, skipping insertion in model container [2023-11-23 21:08:19,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:19" (1/1) ... [2023-11-23 21:08:19,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:20,095 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:08:20,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@394ae9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:20, skipping insertion in model container [2023-11-23 21:08:20,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:20,097 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:08:20,100 INFO L158 Benchmark]: Toolchain (without parser) took 493.58ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 78.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:08:20,101 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 72.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:20,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.97ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 78.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:08:20,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 72.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.97ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 78.4MB 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: 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_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/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_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/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_311b95d5-1b56-4130-9600-c6c80e3ae983/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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:22,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:22,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-23 21:08:22,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:22,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:22,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:22,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:22,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:22,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:22,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:22,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:22,867 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:22,868 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:22,870 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:22,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:22,871 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:22,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:08:22,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:08:22,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:22,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:22,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:22,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:22,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:22,876 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:08:22,876 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:08:22,877 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:08:22,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:22,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:08:22,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:08:22,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:08:22,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:08:22,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:22,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:22,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:22,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:08:22,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:22,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:22,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:22,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:22,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:22,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:08:22,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:08:22,886 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:22,886 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:22,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:22,887 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_311b95d5-1b56-4130-9600-c6c80e3ae983/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2023-11-23 21:08:23,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:23,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:23,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:23,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:23,345 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:23,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2023-11-23 21:08:26,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:26,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:26,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/sv-benchmarks/c/memsafety/global-atexit-5.i [2023-11-23 21:08:26,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/8809b8f8a/e3a50f05fade49c899ef7aa3c24a9bc0/FLAGa07edbfc4 [2023-11-23 21:08:26,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311b95d5-1b56-4130-9600-c6c80e3ae983/bin/utaipan-verify-mE87zJ7Ire/data/8809b8f8a/e3a50f05fade49c899ef7aa3c24a9bc0 [2023-11-23 21:08:26,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:26,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:26,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:26,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:26,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:26,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:26" (1/1) ... [2023-11-23 21:08:26,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b66d3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:26, skipping insertion in model container [2023-11-23 21:08:26,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:26" (1/1) ... [2023-11-23 21:08:27,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:27,447 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-23 21:08:27,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8fe6c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:27, skipping insertion in model container [2023-11-23 21:08:27,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:27,449 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:08:27,451 INFO L158 Benchmark]: Toolchain (without parser) took 481.05ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 35.2MB in the end (delta: 11.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:08:27,452 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:27,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.88ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 35.2MB in the end (delta: 11.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:08:27,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.88ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 35.2MB in the end (delta: 11.2MB). Peak memory consumption was 14.7MB. 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