./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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 fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:18:49,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:49,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2023-11-19 05:18:49,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:49,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:49,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:49,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:49,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:49,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:49,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:49,920 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:49,920 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:49,921 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:49,924 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:18:49,925 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:49,926 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:49,926 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:18:49,927 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:18:49,928 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:49,928 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:18:49,929 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:18:49,930 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:18:49,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:18:49,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:18:49,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:49,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:49,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:18:49,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:18:49,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:18:49,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:49,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:49,936 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:18:49,936 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:18:49,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:49,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:49,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:18:49,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:18:49,937 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:18:49,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:49,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:49,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:49,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:49,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:49,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:49,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:49,940 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:18:49,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:18:49,941 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:49,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:49,941 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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea [2023-11-19 05:18:50,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:50,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:50,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:50,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:50,370 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:50,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-19 05:18:54,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:18:54,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:18:54,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-19 05:18:54,724 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/af94c2ed7/83b8345045de4264b396b2e721dcdeab/FLAG69bc8a1eb [2023-11-19 05:18:54,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/af94c2ed7/83b8345045de4264b396b2e721dcdeab [2023-11-19 05:18:54,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:18:54,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:18:54,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:54,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:18:54,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:18:54,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:54" (1/1) ... [2023-11-19 05:18:54,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34076256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:54, skipping insertion in model container [2023-11-19 05:18:54,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:54" (1/1) ... [2023-11-19 05:18:54,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:18:55,246 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 05:18:55,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@367be63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:55, skipping insertion in model container [2023-11-19 05:18:55,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:18:55,248 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:18:55,250 INFO L158 Benchmark]: Toolchain (without parser) took 497.52ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 94.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:18:55,251 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 96.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:18:55,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.88ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 94.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:18:55,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 96.2MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.88ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 94.5MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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 fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:18:57,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:18:58,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2023-11-19 05:18:58,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:18:58,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:18:58,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:18:58,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:18:58,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:18:58,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:18:58,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:18:58,160 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:18:58,160 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:18:58,161 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:18:58,162 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:18:58,163 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:18:58,163 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:18:58,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:18:58,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:18:58,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:18:58,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:18:58,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:18:58,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:18:58,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:18:58,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:18:58,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:18:58,168 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:18:58,169 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:18:58,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:18:58,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:18:58,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:18:58,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:18:58,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:18:58,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:18:58,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:18:58,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:18:58,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:18:58,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:18:58,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:18:58,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:18:58,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:18:58,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:18:58,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:18:58,175 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:18:58,175 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:18:58,176 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:18:58,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:18:58,176 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_19d87f62-3936-4814-a0ba-3fe0f43ba20e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1ad2f41f868f7913ec01fb412c578f51ac389a0e512fc1eceeecaa227aa4ea [2023-11-19 05:18:58,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:18:58,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:18:58,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:18:58,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:18:58,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:18:58,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-19 05:19:01,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:19:02,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:19:02,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/sv-benchmarks/c/memsafety/global-atexit-3.i [2023-11-19 05:19:02,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/3d1cbf6d4/074d95ec172e47a483a3d12a68ed700c/FLAG086b3a946 [2023-11-19 05:19:02,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d87f62-3936-4814-a0ba-3fe0f43ba20e/bin/utaipan-verify-t7M7D8N6sZ/data/3d1cbf6d4/074d95ec172e47a483a3d12a68ed700c [2023-11-19 05:19:02,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:19:02,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:19:02,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:02,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:19:02,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:19:02,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:02" (1/1) ... [2023-11-19 05:19:02,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faac1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:02, skipping insertion in model container [2023-11-19 05:19:02,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:19:02" (1/1) ... [2023-11-19 05:19:02,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:19:02,664 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2023-11-19 05:19:02,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@601aa258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:19:02, skipping insertion in model container [2023-11-19 05:19:02,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:19:02,682 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:19:02,684 INFO L158 Benchmark]: Toolchain (without parser) took 486.01ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 43.9MB in the beginning and 75.2MB in the end (delta: -31.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 05:19:02,685 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:19:02,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.41ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 75.2MB in the end (delta: -31.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 05:19:02,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.41ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 75.2MB in the end (delta: -31.5MB). Peak memory consumption was 11.9MB. 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