./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 5fbdf5bf 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 .................................................................................................................................. 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 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:02:59,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:02:59,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:02:59,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:02:59,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:02:59,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:02:59,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:02:59,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:02:59,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:02:59,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:02:59,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:02:59,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:02:59,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:02:59,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:02:59,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:02:59,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:02:59,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:02:59,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:02:59,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:02:59,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:02:59,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:02:59,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:02:59,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:02:59,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:02:59,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:02:59,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:02:59,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:02:59,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:02:59,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:02:59,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:02:59,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:02:59,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:02:59,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:02:59,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:02:59,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:02:59,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:02:59,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:02:59,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:02:59,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:02:59,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:02:59,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:02:59,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:02:59,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:02:59,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:02:59,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:02:59,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:02:59,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:02:59,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:02:59,289 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:02:59,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:02:59,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:02:59,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:02:59,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:02:59,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:02:59,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:02:59,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:02:59,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:02:59,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:02:59,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:02:59,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:02:59,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:02:59,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:02:59,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:02:59,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:02:59,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:02:59,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-08-30 17:02:59,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:02:59,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:02:59,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:02:59,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:02:59,697 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:02:59,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-30 17:02:59,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6296da4af/181ee36c93b84783b0f45e3e07ab0ac2/FLAG71d0f8678 [2021-08-30 17:03:00,276 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:03:00,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-30 17:03:00,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6296da4af/181ee36c93b84783b0f45e3e07ab0ac2/FLAG71d0f8678 [2021-08-30 17:03:00,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6296da4af/181ee36c93b84783b0f45e3e07ab0ac2 [2021-08-30 17:03:00,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:03:00,744 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:03:00,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:03:00,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:03:00,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:03:00,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:03:00" (1/1) ... [2021-08-30 17:03:00,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca8a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:03:00, skipping insertion in model container [2021-08-30 17:03:00,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:03:00" (1/1) ... [2021-08-30 17:03:00,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:03:00,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:03:00,983 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-08-30 17:03:00,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@289d480b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:03:00, skipping insertion in model container [2021-08-30 17:03:00,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:03:00,984 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:03:00,986 INFO L158 Benchmark]: Toolchain (without parser) took 240.30ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.5MB in the beginning and 52.6MB in the end (delta: -24.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-08-30 17:03:00,986 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:03:00,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.03ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.3MB in the beginning and 52.6MB in the end (delta: -24.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-08-30 17:03:00,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.03ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.3MB in the beginning and 52.6MB in the end (delta: -24.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * 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-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:03:02,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:03:02,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:03:02,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:03:02,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:03:02,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:03:02,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:03:02,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:03:02,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:03:02,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:03:02,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:03:02,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:03:02,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:03:02,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:03:02,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:03:02,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:03:02,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:03:02,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:03:02,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:03:02,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:03:02,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:03:02,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:03:02,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:03:02,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:03:02,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:03:02,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:03:02,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:03:02,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:03:02,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:03:02,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:03:02,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:03:02,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:03:02,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:03:02,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:03:02,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:03:02,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:03:02,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:03:02,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:03:02,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:03:02,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:03:02,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:03:02,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-30 17:03:02,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:03:02,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:03:02,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:03:02,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:03:02,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:03:02,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:03:02,971 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:03:02,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:03:02,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:03:02,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:03:02,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:03:02,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:03:02,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:03:02,973 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 17:03:02,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:03:02,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:03:02,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:03:02,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:03:02,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:03:02,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:03:02,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:03:02,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:03:02,976 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 17:03:02,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 17:03:02,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:03:02,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 17:03:02,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-08-30 17:03:03,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:03:03,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:03:03,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:03:03,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:03:03,314 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:03:03,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-30 17:03:03,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7947460fa/7989e0cbd3c1495f949cd8efba8456f6/FLAG0dfe6a43a [2021-08-30 17:03:03,946 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:03:03,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-08-30 17:03:03,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7947460fa/7989e0cbd3c1495f949cd8efba8456f6/FLAG0dfe6a43a [2021-08-30 17:03:04,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7947460fa/7989e0cbd3c1495f949cd8efba8456f6 [2021-08-30 17:03:04,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:03:04,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:03:04,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:03:04,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:03:04,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:03:04,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:03:04" (1/1) ... [2021-08-30 17:03:04,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4d34bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:03:04, skipping insertion in model container [2021-08-30 17:03:04,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:03:04" (1/1) ... [2021-08-30 17:03:04,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:03:04,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:03:04,559 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-08-30 17:03:04,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cda403e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:03:04, skipping insertion in model container [2021-08-30 17:03:04,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:03:04,560 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:03:04,562 INFO L158 Benchmark]: Toolchain (without parser) took 265.32ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.6MB in the beginning and 46.3MB in the end (delta: -19.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-08-30 17:03:04,562 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:03:04,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.09ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.4MB in the beginning and 46.3MB in the end (delta: -19.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-08-30 17:03:04,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 33.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.09ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.4MB in the beginning and 46.3MB in the end (delta: -19.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * 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...