./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8d31f386 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-3.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 f951365e4c268c83a3f0b9f1976691c784422012 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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-3.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 f951365e4c268c83a3f0b9f1976691c784422012 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 08:14:34,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 08:14:34,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 08:14:34,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 08:14:34,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 08:14:34,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 08:14:34,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 08:14:34,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 08:14:34,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 08:14:34,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 08:14:34,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 08:14:34,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 08:14:34,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 08:14:34,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 08:14:34,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 08:14:34,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 08:14:34,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 08:14:34,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 08:14:34,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 08:14:34,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 08:14:34,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 08:14:34,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 08:14:34,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 08:14:34,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 08:14:34,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 08:14:34,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 08:14:34,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 08:14:34,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 08:14:34,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 08:14:34,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 08:14:34,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 08:14:34,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 08:14:34,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 08:14:34,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 08:14:34,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 08:14:34,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 08:14:34,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 08:14:34,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 08:14:34,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 08:14:34,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 08:14:34,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 08:14:34,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-07-06 08:14:34,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 08:14:34,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 08:14:34,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 08:14:34,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 08:14:34,540 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 08:14:34,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 08:14:34,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 08:14:34,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 08:14:34,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 08:14:34,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 08:14:34,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 08:14:34,541 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-07-06 08:14:34,541 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 08:14:34,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 08:14:34,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 08:14:34,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 08:14:34,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 08:14:34,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 08:14:34,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 08:14:34,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 08:14:34,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2021-07-06 08:14:34,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 08:14:34,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 08:14:34,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 08:14:34,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 08:14:34,841 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 08:14:34,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2021-07-06 08:14:34,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209c1f0e/ebd6c99380c84a8892779959aed87226/FLAG7f0627803 [2021-07-06 08:14:35,277 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 08:14:35,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2021-07-06 08:14:35,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209c1f0e/ebd6c99380c84a8892779959aed87226/FLAG7f0627803 [2021-07-06 08:14:35,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5209c1f0e/ebd6c99380c84a8892779959aed87226 [2021-07-06 08:14:35,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 08:14:35,309 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-06 08:14:35,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 08:14:35,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 08:14:35,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 08:14:35,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:14:35" (1/1) ... [2021-07-06 08:14:35,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff04bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:14:35, skipping insertion in model container [2021-07-06 08:14:35,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:14:35" (1/1) ... [2021-07-06 08:14:35,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 08:14:35,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 08:14:35,591 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-07-06 08:14:35,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fed1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:14:35, skipping insertion in model container [2021-07-06 08:14:35,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 08:14:35,592 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-07-06 08:14:35,594 INFO L168 Benchmark]: Toolchain (without parser) took 284.44 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.1 MB in the beginning and 40.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-07-06 08:14:35,595 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 46.1 MB. Free memory was 27.5 MB in the beginning and 27.4 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 08:14:35,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.50 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.0 MB in the beginning and 40.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-07-06 08:14:35,599 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 46.1 MB. Free memory was 27.5 MB in the beginning and 27.4 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.50 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.0 MB in the beginning and 40.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 7.0 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-wip.dd.multireach-323-8d31f38 [2021-07-06 08:14:37,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 08:14:37,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 08:14:37,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 08:14:37,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 08:14:37,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 08:14:37,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 08:14:37,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 08:14:37,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 08:14:37,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 08:14:37,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 08:14:37,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 08:14:37,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 08:14:37,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 08:14:37,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 08:14:37,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 08:14:37,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 08:14:37,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 08:14:37,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 08:14:37,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 08:14:37,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 08:14:37,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 08:14:37,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 08:14:37,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 08:14:37,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 08:14:37,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 08:14:37,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 08:14:37,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 08:14:37,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 08:14:37,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 08:14:37,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 08:14:37,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 08:14:37,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 08:14:37,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 08:14:37,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 08:14:37,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 08:14:37,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 08:14:37,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 08:14:37,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 08:14:37,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 08:14:37,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 08:14:37,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-07-06 08:14:37,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 08:14:37,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 08:14:37,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 08:14:37,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 08:14:37,403 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 08:14:37,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 08:14:37,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 08:14:37,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 08:14:37,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 08:14:37,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 08:14:37,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 08:14:37,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-07-06 08:14:37,405 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-07-06 08:14:37,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 08:14:37,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-07-06 08:14:37,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-06 08:14:37,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-06 08:14:37,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 08:14:37,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 08:14:37,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 08:14:37,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 08:14:37,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 08:14:37,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 08:14:37,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 08:14:37,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 08:14:37,407 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-06 08:14:37,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-06 08:14:37,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 08:14:37,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-06 08:14:37,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2021-07-06 08:14:37,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 08:14:37,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 08:14:37,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 08:14:37,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 08:14:37,707 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 08:14:37,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2021-07-06 08:14:37,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc464a959/8adcaffb9ef74d5490ce78241078793c/FLAG08f095521 [2021-07-06 08:14:38,171 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 08:14:38,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2021-07-06 08:14:38,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc464a959/8adcaffb9ef74d5490ce78241078793c/FLAG08f095521 [2021-07-06 08:14:38,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc464a959/8adcaffb9ef74d5490ce78241078793c [2021-07-06 08:14:38,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 08:14:38,541 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-06 08:14:38,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 08:14:38,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 08:14:38,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 08:14:38,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:14:38" (1/1) ... [2021-07-06 08:14:38,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7346e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:14:38, skipping insertion in model container [2021-07-06 08:14:38,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:14:38" (1/1) ... [2021-07-06 08:14:38,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 08:14:38,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 08:14:38,791 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-07-06 08:14:38,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e588f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:14:38, skipping insertion in model container [2021-07-06 08:14:38,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 08:14:38,800 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-07-06 08:14:38,802 INFO L168 Benchmark]: Toolchain (without parser) took 259.81 ms. Allocated memory is still 65.0 MB. Free memory was 45.0 MB in the beginning and 49.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-06 08:14:38,802 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 08:14:38,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.47 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 49.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 08:14:38,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.47 ms. Allocated memory is still 65.0 MB. Free memory was 44.8 MB in the beginning and 49.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...