./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 ......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:40:00,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:40:00,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:40:00,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:40:00,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:40:00,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:40:00,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:40:00,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:40:00,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:40:00,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:40:00,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:40:00,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:40:00,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:40:00,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:40:00,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:40:00,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:40:00,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:40:00,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:40:00,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:40:00,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:40:00,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:40:00,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:40:00,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:40:00,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:40:00,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:40:00,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:40:00,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:40:00,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:40:00,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:40:00,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:40:00,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:40:00,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:40:00,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:40:00,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:40:00,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:40:00,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:40:00,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:40:00,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:40:00,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:40:00,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:40:00,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:40:00,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-20 05:40:00,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:40:00,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:40:00,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:40:00,789 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:40:00,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:40:00,789 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:40:00,789 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:40:00,790 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:40:00,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:40:00,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:40:00,791 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:40:00,792 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:40:00,792 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:40:00,792 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:40:00,792 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:40:00,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:40:00,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:40:00,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:40:00,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:40:00,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:40:00,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:40:00,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:40:00,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:40:00,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:40:00,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:40:00,796 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-20 05:40:00,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:40:00,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:40:00,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:40:00,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:40:00,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:40:00,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:40:00,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:40:00,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:40:00,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:40:00,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:40:00,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:40:00,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:40:00,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:40:00,801 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_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-10-20 05:40:01,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:40:01,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:40:01,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:40:01,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:40:01,125 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:40:01,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-20 05:40:01,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/6e8030222/bf943fc357934dafb668691647e36a8c/FLAG19f3d86a9 [2021-10-20 05:40:01,658 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:40:01,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-20 05:40:01,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/6e8030222/bf943fc357934dafb668691647e36a8c/FLAG19f3d86a9 [2021-10-20 05:40:01,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/6e8030222/bf943fc357934dafb668691647e36a8c [2021-10-20 05:40:01,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:40:01,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:40:02,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:40:02,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:40:02,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:40:02,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:40:01" (1/1) ... [2021-10-20 05:40:02,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e45477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:40:02, skipping insertion in model container [2021-10-20 05:40:02,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:40:01" (1/1) ... [2021-10-20 05:40:02,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:40:02,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:40:02,336 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-20 05:40:02,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cce78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:40:02, skipping insertion in model container [2021-10-20 05:40:02,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:40:02,337 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:40:02,340 INFO L168 Benchmark]: Toolchain (without parser) took 339.59 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 50.2 MB in the beginning and 96.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:40:02,341 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:40:02,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.06 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 49.9 MB in the beginning and 96.9 MB in the end (delta: -47.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:40:02,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.06 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 49.9 MB in the beginning and 96.9 MB in the end (delta: -47.0 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:40:04,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:40:04,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:40:04,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:40:04,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:40:04,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:40:04,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:40:04,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:40:04,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:40:04,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:40:04,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:40:04,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:40:04,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:40:04,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:40:04,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:40:04,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:40:04,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:40:04,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:40:04,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:40:04,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:40:04,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:40:04,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:40:04,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:40:04,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:40:04,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:40:04,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:40:04,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:40:04,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:40:04,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:40:04,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:40:04,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:40:04,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:40:04,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:40:04,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:40:04,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:40:04,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:40:04,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:40:04,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:40:04,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:40:04,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:40:04,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:40:04,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-20 05:40:04,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:40:04,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:40:04,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:40:04,790 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:40:04,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:40:04,791 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:40:04,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:40:04,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:40:04,791 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:40:04,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:40:04,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:40:04,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:40:04,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:40:04,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:40:04,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:40:04,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:40:04,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:40:04,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:40:04,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:40:04,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:40:04,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:40:04,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:40:04,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:40:04,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:40:04,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:40:04,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:40:04,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:40:04,798 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:40:04,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:40:04,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:40:04,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:40:04,799 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_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-10-20 05:40:05,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:40:05,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:40:05,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:40:05,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:40:05,261 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:40:05,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-20 05:40:05,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/38141e564/c710d138ecb44f2d9d6a7f472449b1db/FLAGf7d4cc9f7 [2021-10-20 05:40:06,009 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:40:06,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-20 05:40:06,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/38141e564/c710d138ecb44f2d9d6a7f472449b1db/FLAGf7d4cc9f7 [2021-10-20 05:40:06,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3b9990-59de-4cd5-80b8-43c17aaabe1d/bin/utaipan-tZwUujhuQw/data/38141e564/c710d138ecb44f2d9d6a7f472449b1db [2021-10-20 05:40:06,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:40:06,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:40:06,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:40:06,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:40:06,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:40:06,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:40:06" (1/1) ... [2021-10-20 05:40:06,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce216b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:40:06, skipping insertion in model container [2021-10-20 05:40:06,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:40:06" (1/1) ... [2021-10-20 05:40:06,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:40:06,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:40:06,647 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-20 05:40:06,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cf0c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:40:06, skipping insertion in model container [2021-10-20 05:40:06,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:40:06,649 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:40:06,651 INFO L168 Benchmark]: Toolchain (without parser) took 376.17 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 43.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:40:06,651 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:40:06,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.71 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 43.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:40:06,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.71 ms. Allocated memory is still 60.8 MB. Free memory was 39.4 MB in the beginning and 43.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.6 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...