./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 ................................................................................................................................. 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_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:28,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:28,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:28,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:28,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:28,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:29,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:29,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:29,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:29,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:29,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:29,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:29,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:29,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:29,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:29,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:29,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:29,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:29,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:29,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:29,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:29,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:29,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:29,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:29,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:29,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:29,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:29,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:29,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:29,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:29,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:29,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:29,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:29,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:29,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:29,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:29,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:29,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:29,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:29,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:29,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:29,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 03:06:29,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:29,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:29,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:29,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:29,109 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:29,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:29,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:29,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:06:29,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:29,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:29,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:29,112 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:06:29,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:06:29,112 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:06:29,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:29,113 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:06:29,113 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:29,113 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:29,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:29,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:29,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:29,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:29,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:29,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:29,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:29,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:29,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:29,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:29,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2020-11-28 03:06:29,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:29,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:29,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:29,423 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:29,424 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:29,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-28 03:06:29,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/ffd007bfb/e7267e7f070b4e0c826cf377bd680b2e/FLAG3722219ee [2020-11-28 03:06:29,992 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:29,992 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-28 03:06:30,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/ffd007bfb/e7267e7f070b4e0c826cf377bd680b2e/FLAG3722219ee [2020-11-28 03:06:30,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/ffd007bfb/e7267e7f070b4e0c826cf377bd680b2e [2020-11-28 03:06:30,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:30,331 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:06:30,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:30,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:30,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:30,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:30" (1/1) ... [2020-11-28 03:06:30,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8b09b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:30, skipping insertion in model container [2020-11-28 03:06:30,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:30" (1/1) ... [2020-11-28 03:06:30,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:30,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:30,740 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 03:06:30,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a8a8841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:30, skipping insertion in model container [2020-11-28 03:06:30,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:30,741 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:06:30,744 INFO L168 Benchmark]: Toolchain (without parser) took 410.70 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 85.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:30,746 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.6 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:30,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.82 ms. Allocated memory is still 109.1 MB. Free memory was 75.9 MB in the beginning and 85.3 MB in the end (delta: -9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:30,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.6 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.82 ms. Allocated memory is still 109.1 MB. Free memory was 75.9 MB in the beginning and 85.3 MB in the end (delta: -9.4 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:32,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:32,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:32,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:32,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:32,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:32,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:32,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:32,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:32,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:33,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:33,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:33,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:33,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:33,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:33,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:33,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:33,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:33,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:33,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:33,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:33,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:33,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:33,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:33,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:33,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:33,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:33,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:33,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:33,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:33,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:33,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:33,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:33,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:33,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:33,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:33,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:33,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:33,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:33,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:33,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:33,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 03:06:33,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:33,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:33,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:33,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:33,135 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:33,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:33,135 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:33,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:06:33,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:33,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:33,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:33,138 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:06:33,138 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:06:33,138 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:06:33,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:33,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:06:33,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:06:33,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:06:33,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:33,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:33,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:33,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:33,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:33,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:33,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:33,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:33,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:33,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:06:33,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:06:33,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:33,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:06:33,144 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_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2020-11-28 03:06:33,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:33,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:33,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:33,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:33,610 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:33,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-28 03:06:33,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/7bbdc42d3/8659f76f125f442b946f45a9cce31621/FLAG73961021a [2020-11-28 03:06:34,273 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:34,273 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-28 03:06:34,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/7bbdc42d3/8659f76f125f442b946f45a9cce31621/FLAG73961021a [2020-11-28 03:06:34,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9211e1e5-4ee7-4241-a1c9-b7f4d399814d/bin/uautomizer/data/7bbdc42d3/8659f76f125f442b946f45a9cce31621 [2020-11-28 03:06:34,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:34,627 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:06:34,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:34,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:34,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:34,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679d0461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:34, skipping insertion in model container [2020-11-28 03:06:34,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:34" (1/1) ... [2020-11-28 03:06:34,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:34,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:35,026 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 03:06:35,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@508210a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:35, skipping insertion in model container [2020-11-28 03:06:35,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:35,032 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:06:35,035 INFO L168 Benchmark]: Toolchain (without parser) took 406.27 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 53.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:35,036 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:35,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.31 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 53.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:35,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.31 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 53.8 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...