./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_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE --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_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE --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 [2021-10-24 10:41:27,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:41:27,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:41:27,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:41:27,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:41:27,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:41:27,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:41:27,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:41:27,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:41:27,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:41:27,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:41:27,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:41:27,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:41:27,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:41:27,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:41:27,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:41:27,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:41:27,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:41:27,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:41:27,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:41:27,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:41:27,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:41:27,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:41:27,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:41:27,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:41:27,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:41:27,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:41:27,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:41:27,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:41:27,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:41:27,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:41:27,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:41:27,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:41:27,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:41:27,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:41:27,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:41:27,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:41:27,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:41:27,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:41:27,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:41:27,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:41:27,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-24 10:41:27,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:41:27,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:41:27,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:41:27,996 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:41:27,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:41:27,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:41:27,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:41:27,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:41:27,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:41:27,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:41:27,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:41:27,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:41:27,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:41:27,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:41:28,000 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:41:28,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:41:28,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:41:28,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:41:28,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:41:28,001 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:41:28,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:41:28,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:41:28,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:41:28,002 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:41:28,002 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:41:28,002 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 10:41:28,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:41:28,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:41:28,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:41:28,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:41:28,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:41:28,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:41:28,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:41:28,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:41:28,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:41:28,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:41:28,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:41:28,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:41:28,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:41:28,007 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_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-10-24 10:41:28,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:41:28,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:41:28,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:41:28,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:41:28,328 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:41:28,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-24 10:41:28,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/3e62c189d/a2ee776169b34a079fd6f2fcf89b1123/FLAG393f09f0f [2021-10-24 10:41:29,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:41:29,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-24 10:41:29,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/3e62c189d/a2ee776169b34a079fd6f2fcf89b1123/FLAG393f09f0f [2021-10-24 10:41:29,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/3e62c189d/a2ee776169b34a079fd6f2fcf89b1123 [2021-10-24 10:41:29,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:41:29,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:41:29,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:29,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:41:29,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:41:29,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:29" (1/1) ... [2021-10-24 10:41:29,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4edb7f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:29, skipping insertion in model container [2021-10-24 10:41:29,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:29" (1/1) ... [2021-10-24 10:41:29,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:41:29,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:41:29,944 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-24 10:41:29,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b1ea936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:29, skipping insertion in model container [2021-10-24 10:41:29,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:29,946 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:41:29,948 INFO L168 Benchmark]: Toolchain (without parser) took 553.29 ms. Allocated memory is still 127.9 MB. Free memory was 95.3 MB in the beginning and 104.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:29,949 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:41:29,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.32 ms. Allocated memory is still 127.9 MB. Free memory was 95.3 MB in the beginning and 104.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:29,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 548.32 ms. Allocated memory is still 127.9 MB. Free memory was 95.3 MB in the beginning and 104.6 MB in the end (delta: -9.3 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 0.2.1-dev-e943c26 [2021-10-24 10:41:32,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:41:32,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:41:32,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:41:32,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:41:32,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:41:32,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:41:32,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:41:32,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:41:32,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:41:32,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:41:32,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:41:32,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:41:32,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:41:32,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:41:32,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:41:32,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:41:32,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:41:32,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:41:32,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:41:32,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:41:32,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:41:32,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:41:32,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:41:32,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:41:32,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:41:32,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:41:32,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:41:32,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:41:32,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:41:32,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:41:32,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:41:32,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:41:32,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:41:32,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:41:32,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:41:32,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:41:32,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:41:32,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:41:32,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:41:32,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:41:32,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-24 10:41:32,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:41:32,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:41:32,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:41:32,672 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:41:32,672 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:41:32,672 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:41:32,673 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:41:32,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:41:32,673 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:41:32,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:41:32,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:41:32,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:41:32,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:41:32,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:41:32,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:41:32,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:41:32,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:41:32,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:41:32,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:41:32,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 10:41:32,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:41:32,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:41:32,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:41:32,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:41:32,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:41:32,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:41:32,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:41:32,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:41:32,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:41:32,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:41:32,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:41:32,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:41:32,683 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:41:32,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:41:32,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:41:32,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:41:32,685 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_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-10-24 10:41:33,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:41:33,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:41:33,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:41:33,214 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:41:33,215 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:41:33,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-24 10:41:33,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/971e414c6/5bd316ecfd3c443b9f0496415b4cbc74/FLAG0f9562caa [2021-10-24 10:41:33,901 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:41:33,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-24 10:41:33,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/971e414c6/5bd316ecfd3c443b9f0496415b4cbc74/FLAG0f9562caa [2021-10-24 10:41:34,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa39750-99b0-4558-a957-66d016816e2e/bin/utaipan-9zjyvhn0QE/data/971e414c6/5bd316ecfd3c443b9f0496415b4cbc74 [2021-10-24 10:41:34,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:41:34,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:41:34,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:34,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:41:34,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:41:34,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:34" (1/1) ... [2021-10-24 10:41:34,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666ba710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:34, skipping insertion in model container [2021-10-24 10:41:34,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:34" (1/1) ... [2021-10-24 10:41:34,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:41:34,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:41:34,781 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-24 10:41:34,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a727d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:34, skipping insertion in model container [2021-10-24 10:41:34,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:34,786 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:41:34,790 INFO L168 Benchmark]: Toolchain (without parser) took 566.22 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.4 MB in the beginning and 51.4 MB in the end (delta: -21.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:34,792 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:41:34,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.04 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 51.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:34,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 560.04 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.1 MB in the beginning and 51.4 MB in the end (delta: -21.3 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...