./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --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_1.3.100.v20150511-1540.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.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --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 0.1.25-9a8b2e8 [2020-10-20 06:19:49,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:49,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:49,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:49,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:49,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:49,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:49,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:49,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:49,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:49,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:49,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:49,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:49,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:49,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:49,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:49,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:49,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:49,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:49,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:49,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:49,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:49,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:49,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:49,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:49,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:49,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:49,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:49,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:49,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:49,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:49,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:49,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:49,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:49,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:49,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:49,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:49,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:49,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:49,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:49,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:49,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-20 06:19:49,764 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:49,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:49,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:49,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:49,767 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:49,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:49,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:49,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:49,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:49,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:49,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:49,770 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:49,770 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:49,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:49,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:49,771 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:49,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:49,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:49,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:49,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:49,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:49,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:49,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:49,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:49,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:19:49,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:19:49,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:49,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-memcleanup) ) 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 [2020-10-20 06:19:49,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:49,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:49,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:50,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:50,000 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:50,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit.i [2020-10-20 06:19:50,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48722c67/03abfc5da2e64643bd4d8b55bb0c3761/FLAGcff6446dd [2020-10-20 06:19:50,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:50,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit.i [2020-10-20 06:19:50,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48722c67/03abfc5da2e64643bd4d8b55bb0c3761/FLAGcff6446dd [2020-10-20 06:19:50,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48722c67/03abfc5da2e64643bd4d8b55bb0c3761 [2020-10-20 06:19:50,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:50,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:50,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:50,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:50,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:50,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b1fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:50, skipping insertion in model container [2020-10-20 06:19:50,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:50,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:51,244 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 06:19:51,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@359288c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:51, skipping insertion in model container [2020-10-20 06:19:51,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:51,246 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:51,249 INFO L168 Benchmark]: Toolchain (without parser) took 402.29 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 18.1 MB in the beginning and 27.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,251 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.21 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.2 MB in the beginning and 27.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 391.21 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.2 MB in the beginning and 27.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 06:19:53,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:53,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:53,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:53,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:53,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:53,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:53,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:53,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:53,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:53,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:53,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:53,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:53,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:53,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:53,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:53,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:53,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:53,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:53,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:53,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:53,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:53,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:53,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:53,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:53,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:53,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:53,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:53,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:53,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:53,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:53,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:53,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:53,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:53,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:53,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:53,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:53,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:53,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:53,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:53,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:53,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-20 06:19:53,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:53,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:53,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:53,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:53,344 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:53,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:53,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:53,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:53,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:53,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:53,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:53,347 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:53,347 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:53,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:53,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:53,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:19:53,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:19:53,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:53,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:53,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:53,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:53,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:53,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:53,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:53,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:53,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:53,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:19:53,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:19:53,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:53,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:19:53,353 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-memcleanup) ) 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 [2020-10-20 06:19:53,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:53,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:53,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:53,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:53,628 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:53,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit.i [2020-10-20 06:19:53,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d042ddb/56641df004434ffe8798d46fdf148070/FLAG51c2667e0 [2020-10-20 06:19:54,237 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:54,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit.i [2020-10-20 06:19:54,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d042ddb/56641df004434ffe8798d46fdf148070/FLAG51c2667e0 [2020-10-20 06:19:54,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d042ddb/56641df004434ffe8798d46fdf148070 [2020-10-20 06:19:54,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:54,584 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:54,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:54,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:54,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:54,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:54" (1/1) ... [2020-10-20 06:19:54,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df1ab40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:54, skipping insertion in model container [2020-10-20 06:19:54,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:54" (1/1) ... [2020-10-20 06:19:54,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:54,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:55,069 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 06:19:55,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@627f18a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:55, skipping insertion in model container [2020-10-20 06:19:55,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:55,072 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:55,076 INFO L168 Benchmark]: Toolchain (without parser) took 495.90 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.8 MB in the beginning and 27.6 MB in the end (delta: -19.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:55,077 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 35.7 MB. Free memory is still 14.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:19:55,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.83 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 6.9 MB in the beginning and 27.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:55,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 35.7 MB. Free memory is still 14.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 486.83 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 6.9 MB in the beginning and 27.6 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 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...