./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:12,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:12,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-19 05:08:12,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:12,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:12,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:12,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:12,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:12,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:12,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:12,887 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:12,888 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:12,888 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:12,889 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:12,890 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:12,890 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:12,891 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:12,891 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:12,892 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:12,893 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:12,893 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:12,894 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:12,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:08:12,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:08:12,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:12,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:12,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:12,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:12,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:12,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:12,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:12,899 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:08:12,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:08:12,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:12,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:12,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:12,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:08:12,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:12,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:12,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:12,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:12,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:12,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:12,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:12,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:12,905 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:12,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:12,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:12,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:12,906 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_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2023-11-19 05:08:13,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:13,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:13,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:13,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:13,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:13,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit.i [2023-11-19 05:08:16,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:17,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:17,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/sv-benchmarks/c/memsafety/global-atexit.i [2023-11-19 05:08:17,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/ac5755167/82a18c6758e140e487f4592689a067f4/FLAG37749ca72 [2023-11-19 05:08:17,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/ac5755167/82a18c6758e140e487f4592689a067f4 [2023-11-19 05:08:17,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:17,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:17,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:17,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:17,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:17,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:17,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40371cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17, skipping insertion in model container [2023-11-19 05:08:17,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:17" (1/1) ... [2023-11-19 05:08:17,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:17,654 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 05:08:17,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13bd2d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:17, skipping insertion in model container [2023-11-19 05:08:17,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:17,657 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:17,660 INFO L158 Benchmark]: Toolchain (without parser) took 456.72ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 61.2MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:08:17,661 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:08:17,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.50ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 61.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:08:17,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.50ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 61.2MB 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_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:20,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:20,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-19 05:08:20,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:20,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:20,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:20,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:20,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:20,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:20,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:20,767 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:20,768 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:20,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:20,770 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:20,771 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:20,771 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:20,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:08:20,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:08:20,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:20,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:20,776 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:20,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:20,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:20,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:20,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:20,778 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:08:20,779 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:08:20,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:20,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:20,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:08:20,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:08:20,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:08:20,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:08:20,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:20,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:20,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:20,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:20,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:08:20,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:20,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:20,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:20,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:20,787 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:08:20,787 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:08:20,788 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:20,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:20,789 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_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2023-11-19 05:08:21,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:21,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:21,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:21,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:21,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:21,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit.i [2023-11-19 05:08:24,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:25,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:25,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/sv-benchmarks/c/memsafety/global-atexit.i [2023-11-19 05:08:25,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/ffe28626d/b100ce033f134c5eaa39199f28c5cfc6/FLAGc964ad1da [2023-11-19 05:08:25,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f3080e-7f0f-4a7d-ac8e-656feec36546/bin/utaipan-verify-t7M7D8N6sZ/data/ffe28626d/b100ce033f134c5eaa39199f28c5cfc6 [2023-11-19 05:08:25,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:25,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:25,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:25,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:25,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:25,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:25" (1/1) ... [2023-11-19 05:08:25,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6809245c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:25, skipping insertion in model container [2023-11-19 05:08:25,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:25" (1/1) ... [2023-11-19 05:08:25,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:25,798 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 05:08:25,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cea30a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:25, skipping insertion in model container [2023-11-19 05:08:25,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:25,800 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:08:25,803 INFO L158 Benchmark]: Toolchain (without parser) took 481.96ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 43.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:08:25,804 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 154.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:08:25,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.23ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 43.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:08:25,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 154.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.23ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 43.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. 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