./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/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_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/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_8c64f228-f0e9-4933-8bee-77dda0672d38/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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:48:52,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:48:52,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-12-02 17:48:52,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:48:52,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:48:52,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:48:52,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:48:52,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:48:52,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:48:52,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:48:52,734 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:48:52,735 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:48:52,735 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:48:52,736 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:48:52,736 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:48:52,737 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:48:52,737 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:48:52,738 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:48:52,738 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:48:52,739 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:48:52,739 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:48:52,740 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:48:52,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:48:52,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:48:52,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:48:52,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:48:52,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:48:52,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:48:52,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:48:52,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:48:52,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:48:52,745 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:48:52,745 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:48:52,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:48:52,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:48:52,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:48:52,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:48:52,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:48:52,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:48:52,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:48:52,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:48:52,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:48:52,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:48:52,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:48:52,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:48:52,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:48:52,749 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_8c64f228-f0e9-4933-8bee-77dda0672d38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-12-02 17:48:52,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:48:53,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:48:53,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:48:53,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:48:53,007 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:48:53,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-12-02 17:48:55,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:48:55,944 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:48:55,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-12-02 17:48:55,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/f0df04128/3ee02df777dd4b1bb7ff2503da55a1f6/FLAGb0a36d244 [2023-12-02 17:48:55,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/f0df04128/3ee02df777dd4b1bb7ff2503da55a1f6 [2023-12-02 17:48:55,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:48:55,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:48:55,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:48:55,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:48:55,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:48:55,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:48:55" (1/1) ... [2023-12-02 17:48:55,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5076e890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:55, skipping insertion in model container [2023-12-02 17:48:55,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:48:55" (1/1) ... [2023-12-02 17:48:56,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:48:56,251 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-12-02 17:48:56,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3705d516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:48:56, skipping insertion in model container [2023-12-02 17:48:56,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:48:56,252 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 17:48:56,253 INFO L158 Benchmark]: Toolchain (without parser) took 274.58ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 72.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:48:56,253 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:48:56,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.72ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 72.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 17:48:56,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.72ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 72.9MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/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_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/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_8c64f228-f0e9-4933-8bee-77dda0672d38/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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:48:57,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:48:58,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-12-02 17:48:58,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:48:58,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:48:58,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:48:58,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:48:58,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:48:58,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:48:58,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:48:58,054 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:48:58,055 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:48:58,055 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:48:58,056 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:48:58,056 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:48:58,057 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:48:58,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:48:58,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:48:58,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:48:58,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:48:58,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:48:58,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:48:58,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:48:58,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:48:58,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:48:58,062 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:48:58,063 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:48:58,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:48:58,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:48:58,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:48:58,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:48:58,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:48:58,065 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:48:58,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:48:58,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:48:58,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:48:58,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:48:58,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:48:58,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:48:58,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:48:58,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:48:58,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:48:58,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:48:58,068 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:48:58,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:48:58,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:48:58,068 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:48:58,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:48:58,069 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_8c64f228-f0e9-4933-8bee-77dda0672d38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2023-12-02 17:48:58,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:48:58,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:48:58,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:48:58,408 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:48:58,408 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:48:58,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2023-12-02 17:49:01,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:49:01,431 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:49:01,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/sv-benchmarks/c/memsafety/global-atexit-2.i [2023-12-02 17:49:01,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/d6842335f/46d9afd02393444690095aa9802c6e11/FLAGedd14f1bc [2023-12-02 17:49:01,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c64f228-f0e9-4933-8bee-77dda0672d38/bin/utaipan-verify-nQ1chXbOIh/data/d6842335f/46d9afd02393444690095aa9802c6e11 [2023-12-02 17:49:01,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:49:01,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:49:01,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:49:01,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:49:01,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:49:01,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:01" (1/1) ... [2023-12-02 17:49:01,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36650cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:01, skipping insertion in model container [2023-12-02 17:49:01,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:01" (1/1) ... [2023-12-02 17:49:01,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:49:01,749 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-12-02 17:49:01,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae1e406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:01, skipping insertion in model container [2023-12-02 17:49:01,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:49:01,750 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-02 17:49:01,751 INFO L158 Benchmark]: Toolchain (without parser) took 286.57ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:49:01,752 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 66.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:49:01,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.18ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 17:49:01,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 66.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.18ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.7MB 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