./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan --witnessprinter.witness.filename witness.graphml --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 f951365e4c268c83a3f0b9f1976691c784422012 .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan --witnessprinter.witness.filename witness.graphml --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 f951365e4c268c83a3f0b9f1976691c784422012 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:48:14,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:48:14,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:48:14,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:48:14,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:48:14,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:48:14,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:48:14,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:48:14,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:48:14,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:48:14,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:48:14,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:48:14,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:48:14,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:48:14,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:48:14,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:48:14,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:48:14,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:48:14,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:48:14,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:48:14,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:48:14,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:48:14,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:48:14,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:48:14,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:48:14,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:48:14,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:48:14,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:48:14,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:48:14,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:48:14,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:48:14,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:48:14,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:48:14,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:48:14,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:48:14,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:48:14,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:48:14,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:48:14,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:48:14,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:48:14,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:48:14,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-11-22 12:48:14,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:48:14,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:48:14,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:48:14,910 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:48:14,910 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:48:14,910 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:48:14,911 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:48:14,911 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:48:14,911 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:48:14,911 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:48:14,912 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:48:14,912 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:48:14,912 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:48:14,912 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:48:14,913 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:48:14,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:48:14,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:48:14,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:48:14,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:48:14,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:48:14,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:48:14,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:48:14,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:48:14,916 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:48:14,916 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:48:14,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:48:14,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:48:14,917 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:48:14,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:48:14,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:48:14,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:48:14,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:48:14,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:48:14,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:48:14,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:48:14,919 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:48:14,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:48:14,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:48:14,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:48:14,920 INFO L138 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-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2020-11-22 12:48:15,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:48:15,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:48:15,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:48:15,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:48:15,311 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:48:15,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-11-22 12:48:15,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/2dad923b9/c8e5de4413f44cefa0abe224d288a88a/FLAG8e5c5e0c7 [2020-11-22 12:48:16,164 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:48:16,165 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-11-22 12:48:16,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/2dad923b9/c8e5de4413f44cefa0abe224d288a88a/FLAG8e5c5e0c7 [2020-11-22 12:48:16,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/2dad923b9/c8e5de4413f44cefa0abe224d288a88a [2020-11-22 12:48:16,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:48:16,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:48:16,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:16,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:48:16,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:48:16,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:16" (1/1) ... [2020-11-22 12:48:16,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1268bc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:16, skipping insertion in model container [2020-11-22 12:48:16,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:16" (1/1) ... [2020-11-22 12:48:16,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:48:16,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:48:16,854 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-22 12:48:16,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aa85004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:16, skipping insertion in model container [2020-11-22 12:48:16,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:16,856 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:48:16,858 INFO L168 Benchmark]: Toolchain (without parser) took 431.78 ms. Allocated memory is still 86.0 MB. Free memory was 54.4 MB in the beginning and 63.2 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:16,859 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:16,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.73 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 63.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:16,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 43.2 MB in the beginning and 43.1 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.73 ms. Allocated memory is still 86.0 MB. Free memory was 54.3 MB in the beginning and 63.2 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:48:19,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:48:19,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:48:19,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:48:19,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:48:19,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:48:19,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:48:19,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:48:19,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:48:19,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:48:19,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:48:19,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:48:19,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:48:19,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:48:19,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:48:19,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:48:19,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:48:19,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:48:19,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:48:19,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:48:19,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:48:19,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:48:19,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:48:19,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:48:19,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:48:19,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:48:19,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:48:19,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:48:19,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:48:19,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:48:19,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:48:19,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:48:19,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:48:19,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:48:19,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:48:19,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:48:19,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:48:19,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:48:19,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:48:19,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:48:19,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:48:19,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2020-11-22 12:48:19,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:48:19,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:48:19,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:48:19,869 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:48:19,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:48:19,870 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:48:19,870 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:48:19,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:48:19,871 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:48:19,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 12:48:19,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 12:48:19,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:48:19,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:48:19,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 12:48:19,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:48:19,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:48:19,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:48:19,875 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 12:48:19,875 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 12:48:19,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:48:19,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:48:19,876 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:48:19,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:48:19,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:48:19,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:48:19,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:48:19,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:48:19,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:48:19,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:48:19,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:48:19,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:48:19,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:48:19,880 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:48:19,880 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:48:19,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:48:19,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:48:19,881 INFO L138 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-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2020-11-22 12:48:20,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:48:20,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:48:20,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:48:20,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:48:20,405 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:48:20,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-11-22 12:48:20,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/6004a24dd/197c2648de3049bbaacdc8f7183da94c/FLAGfb08b779a [2020-11-22 12:48:21,301 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:48:21,302 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-11-22 12:48:21,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/6004a24dd/197c2648de3049bbaacdc8f7183da94c/FLAGfb08b779a [2020-11-22 12:48:21,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d917eb3-77a7-4588-b93d-d894c5256735/bin/utaipan/data/6004a24dd/197c2648de3049bbaacdc8f7183da94c [2020-11-22 12:48:21,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:48:21,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:48:21,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:21,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:48:21,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:48:21,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:21" (1/1) ... [2020-11-22 12:48:21,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50aa250f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:21, skipping insertion in model container [2020-11-22 12:48:21,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:48:21" (1/1) ... [2020-11-22 12:48:21,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:48:21,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:48:21,959 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-22 12:48:21,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20eafd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:48:21, skipping insertion in model container [2020-11-22 12:48:21,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:48:21,960 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:48:21,979 INFO L168 Benchmark]: Toolchain (without parser) took 442.18 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 36.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:21,980 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:48:21,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.38 ms. Allocated memory is still 67.1 MB. Free memory was 46.2 MB in the beginning and 36.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:48:21,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.38 ms. Allocated memory is still 67.1 MB. Free memory was 46.2 MB in the beginning and 36.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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...