./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 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Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 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Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 05:20:01,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 05:20:01,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 05:20:01,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 05:20:01,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 05:20:01,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 05:20:01,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 05:20:01,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 05:20:01,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 05:20:01,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 05:20:01,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 05:20:01,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 05:20:01,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 05:20:01,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 05:20:01,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 05:20:01,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 05:20:01,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 05:20:01,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 05:20:01,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 05:20:01,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 05:20:01,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 05:20:01,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 05:20:01,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 05:20:01,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 05:20:01,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 05:20:01,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 05:20:01,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 05:20:01,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 05:20:01,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 05:20:01,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 05:20:01,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 05:20:01,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 05:20:01,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 05:20:01,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 05:20:01,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 05:20:01,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 05:20:01,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 05:20:01,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 05:20:01,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 05:20:01,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 05:20:01,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 05:20:01,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 05:20:01,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 05:20:01,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 05:20:01,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 05:20:01,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 05:20:01,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 05:20:01,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 05:20:01,977 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 05:20:01,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 05:20:01,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 05:20:01,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 05:20:01,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 05:20:01,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 05:20:01,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 05:20:01,978 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 05:20:01,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 05:20:01,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 05:20:01,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 05:20:01,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 05:20:01,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 05:20:01,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 05:20:01,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 05:20:01,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 05:20:01,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 05:20:01,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 05:20:01,987 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-08-27 05:20:02,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 05:20:02,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 05:20:02,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 05:20:02,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 05:20:02,283 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 05:20:02,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-27 05:20:02,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/384e039a0/39fa68e9b04b45d6a949736efe4b516b/FLAG30a72ebb7 [2021-08-27 05:20:02,678 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 05:20:02,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-27 05:20:02,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/384e039a0/39fa68e9b04b45d6a949736efe4b516b/FLAG30a72ebb7 [2021-08-27 05:20:03,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/384e039a0/39fa68e9b04b45d6a949736efe4b516b [2021-08-27 05:20:03,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 05:20:03,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 05:20:03,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 05:20:03,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 05:20:03,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 05:20:03,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:20:03" (1/1) ... [2021-08-27 05:20:03,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d51f593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:20:03, skipping insertion in model container [2021-08-27 05:20:03,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:20:03" (1/1) ... [2021-08-27 05:20:03,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 05:20:03,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 05:20:03,331 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-08-27 05:20:03,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@946b9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:20:03, skipping insertion in model container [2021-08-27 05:20:03,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 05:20:03,332 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 05:20:03,353 INFO L168 Benchmark]: Toolchain (without parser) took 245.87 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.7 MB in the beginning and 49.5 MB in the end (delta: -22.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-08-27 05:20:03,353 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 05:20:03,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.01 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.6 MB in the beginning and 49.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-08-27 05:20:03,358 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 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.01 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.6 MB in the beginning and 49.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 7.7 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-20ed64e [2021-08-27 05:20:04,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 05:20:04,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 05:20:04,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 05:20:04,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 05:20:04,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 05:20:04,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 05:20:04,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 05:20:04,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 05:20:04,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 05:20:04,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 05:20:04,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 05:20:04,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 05:20:04,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 05:20:04,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 05:20:04,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 05:20:04,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 05:20:04,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 05:20:04,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 05:20:04,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 05:20:04,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 05:20:04,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 05:20:04,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 05:20:04,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 05:20:04,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 05:20:04,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 05:20:04,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 05:20:04,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 05:20:04,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 05:20:04,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 05:20:04,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 05:20:04,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 05:20:04,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 05:20:04,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 05:20:04,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 05:20:04,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 05:20:04,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 05:20:04,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 05:20:04,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 05:20:04,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 05:20:04,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 05:20:04,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 05:20:04,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 05:20:04,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 05:20:04,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 05:20:04,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 05:20:04,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 05:20:04,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 05:20:04,994 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 05:20:04,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 05:20:04,995 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 05:20:04,996 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 05:20:04,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 05:20:04,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 05:20:04,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 05:20:04,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 05:20:04,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 05:20:04,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 05:20:04,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 05:20:04,998 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 05:20:04,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 05:20:04,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 05:20:04,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 05:20:04,998 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-08-27 05:20:05,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 05:20:05,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 05:20:05,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 05:20:05,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 05:20:05,269 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 05:20:05,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-27 05:20:05,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c2bda6/71b5026a02ea4492ad46ea948d40c64e/FLAG751481afc [2021-08-27 05:20:05,682 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 05:20:05,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-27 05:20:05,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c2bda6/71b5026a02ea4492ad46ea948d40c64e/FLAG751481afc [2021-08-27 05:20:06,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306c2bda6/71b5026a02ea4492ad46ea948d40c64e [2021-08-27 05:20:06,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 05:20:06,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 05:20:06,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 05:20:06,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 05:20:06,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 05:20:06,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:20:06" (1/1) ... [2021-08-27 05:20:06,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99e1dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:20:06, skipping insertion in model container [2021-08-27 05:20:06,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:20:06" (1/1) ... [2021-08-27 05:20:06,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 05:20:06,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 05:20:06,250 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-08-27 05:20:06,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13276c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:20:06, skipping insertion in model container [2021-08-27 05:20:06,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 05:20:06,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 05:20:06,263 INFO L168 Benchmark]: Toolchain (without parser) took 203.45 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.3 MB in the beginning and 68.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 05:20:06,266 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 05:20:06,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.70 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.1 MB in the beginning and 68.6 MB in the end (delta: -37.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 05:20:06,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 201.70 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.1 MB in the beginning and 68.6 MB in the end (delta: -37.5 MB). Peak memory consumption was 7.4 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...