./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 0e0057cc 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_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh --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 0.2.4-dev-0e0057c [2023-12-02 17:09:09,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:09:09,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-12-02 17:09:09,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:09:09,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:09:09,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:09:09,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:09:09,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:09:09,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:09:09,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:09:09,284 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:09:09,284 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:09:09,285 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:09:09,285 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:09:09,286 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:09:09,286 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:09:09,287 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:09:09,287 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:09:09,288 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:09:09,289 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:09:09,289 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:09:09,293 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:09:09,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:09:09,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:09:09,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:09:09,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:09:09,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:09:09,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:09:09,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:09:09,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:09:09,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:09:09,297 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:09:09,298 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:09:09,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:09:09,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:09:09,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:09:09,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:09:09,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:09:09,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:09:09,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:09:09,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:09:09,299 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:09:09,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:09:09,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:09:09,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:09:09,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:09:09,301 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:09:09,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:09:09,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:09:09,301 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:09:09,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:09:09,301 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_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2023-12-02 17:09:09,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:09:09,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:09:09,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:09:09,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:09:09,549 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:09:09,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit.i [2023-12-02 17:09:12,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:09:12,525 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:09:12,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/sv-benchmarks/c/memsafety/global-atexit.i [2023-12-02 17:09:12,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/348551c44/d7f2acd51d25425595299dcf86eaa75a/FLAGf49519e3b [2023-12-02 17:09:12,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/348551c44/d7f2acd51d25425595299dcf86eaa75a [2023-12-02 17:09:12,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:09:12,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:09:12,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:09:12,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:09:12,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:09:12,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:12" (1/1) ... [2023-12-02 17:09:12,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc2ef34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:12, skipping insertion in model container [2023-12-02 17:09:12,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:12" (1/1) ... [2023-12-02 17:09:12,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:09:12,880 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-12-02 17:09:12,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fd8072c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:12, skipping insertion in model container [2023-12-02 17:09:12,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:09:12,882 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 17:09:12,883 INFO L158 Benchmark]: Toolchain (without parser) took 322.39ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 91.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:09:12,884 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:09:12,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.91ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 91.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:09:12,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.91ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 91.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh --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 0.2.4-dev-0e0057c [2023-12-02 17:09:14,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:09:14,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-12-02 17:09:14,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:09:14,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:09:14,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:09:14,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:09:14,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:09:14,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:09:14,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:09:14,695 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:09:14,696 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:09:14,696 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:09:14,697 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:09:14,697 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:09:14,698 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:09:14,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:09:14,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:09:14,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:09:14,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:09:14,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:09:14,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:09:14,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:09:14,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:09:14,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:09:14,703 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:09:14,703 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:09:14,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:09:14,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:09:14,705 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:09:14,705 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:09:14,705 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:09:14,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:09:14,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:09:14,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:09:14,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:09:14,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:09:14,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:09:14,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:09:14,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:09:14,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:09:14,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:09:14,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:09:14,709 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:09:14,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:09:14,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:09:14,722 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:09:14,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:09:14,723 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_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2023-12-02 17:09:15,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:09:15,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:09:15,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:09:15,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:09:15,051 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:09:15,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit.i [2023-12-02 17:09:17,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:09:18,038 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:09:18,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/sv-benchmarks/c/memsafety/global-atexit.i [2023-12-02 17:09:18,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/1236ee051/19aea6325a1f45038c3c233b2d1a1dc1/FLAGfe997262e [2023-12-02 17:09:18,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825c0099-d954-49c1-ba96-a95f9ed23d9e/bin/utaipan-verify-nQ1chXbOIh/data/1236ee051/19aea6325a1f45038c3c233b2d1a1dc1 [2023-12-02 17:09:18,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:09:18,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:09:18,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:09:18,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:09:18,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:09:18,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:18" (1/1) ... [2023-12-02 17:09:18,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141a96e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:18, skipping insertion in model container [2023-12-02 17:09:18,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:18" (1/1) ... [2023-12-02 17:09:18,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:09:18,385 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-12-02 17:09:18,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ef423d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:18, skipping insertion in model container [2023-12-02 17:09:18,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:09:18,386 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 17:09:18,388 INFO L158 Benchmark]: Toolchain (without parser) took 313.82ms. Allocated memory is still 113.2MB. Free memory was 88.9MB in the beginning and 77.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:09:18,389 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:09:18,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.40ms. Allocated memory is still 113.2MB. Free memory was 88.6MB in the beginning and 77.6MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:09:18,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.40ms. Allocated memory is still 113.2MB. Free memory was 88.6MB in the beginning and 77.6MB 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