./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e19ca921 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-1.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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:23:28,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:23:28,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:23:28,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:23:28,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:23:28,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:23:28,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:23:28,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:23:28,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:23:28,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:23:28,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:23:28,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:23:28,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:23:28,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:23:28,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:23:28,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:23:28,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:23:28,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:23:28,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:23:28,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:23:28,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:23:28,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:23:28,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:23:28,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:23:28,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:23:28,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:23:28,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:23:28,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:23:28,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:23:28,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:23:28,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:23:28,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:23:28,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:23:28,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:23:28,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:23:28,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:23:28,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:23:28,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:23:28,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:23:28,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:23:28,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:23:28,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-12-22 16:23:28,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:23:28,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:23:28,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:23:28,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:23:28,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:23:28,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:23:28,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:23:28,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:23:28,527 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:23:28,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:23:28,528 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 16:23:28,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 16:23:28,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:23:28,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 16:23:28,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:23:28,529 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 16:23:28,529 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 16:23:28,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:23:28,530 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 16:23:28,530 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 16:23:28,530 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:23:28,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:23:28,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:23:28,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:23:28,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:23:28,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:23:28,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:23:28,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:23:28,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:23:28,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:23:28,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-12-22 16:23:28,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:23:28,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:23:28,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:23:28,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:23:28,788 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:23:28,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-22 16:23:28,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3454d26/676b07cfe06d46c384f1ecc4cea9f8c0/FLAG4f0951b3c [2021-12-22 16:23:29,325 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:23:29,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-22 16:23:29,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3454d26/676b07cfe06d46c384f1ecc4cea9f8c0/FLAG4f0951b3c [2021-12-22 16:23:29,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3454d26/676b07cfe06d46c384f1ecc4cea9f8c0 [2021-12-22 16:23:29,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:23:29,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:23:29,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:23:29,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:23:29,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:23:29,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:23:29" (1/1) ... [2021-12-22 16:23:29,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645bff8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:23:29, skipping insertion in model container [2021-12-22 16:23:29,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:23:29" (1/1) ... [2021-12-22 16:23:29,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:23:29,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:23:29,744 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-12-22 16:23:29,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@196353f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:23:29, skipping insertion in model container [2021-12-22 16:23:29,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:23:29,747 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 16:23:29,748 INFO L158 Benchmark]: Toolchain (without parser) took 391.66ms. Allocated memory is still 119.5MB. Free memory was 59.1MB in the beginning and 95.9MB in the end (delta: -36.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-22 16:23:29,749 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:23:29,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 119.5MB. Free memory was 58.8MB in the beginning and 95.9MB in the end (delta: -37.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-22 16:23:29,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.47ms. Allocated memory is still 119.5MB. Free memory was 58.8MB in the beginning and 95.9MB in the end (delta: -37.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-1.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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:23:31,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:23:31,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:23:31,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:23:31,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:23:31,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:23:31,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:23:31,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:23:31,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:23:31,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:23:31,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:23:31,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:23:31,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:23:31,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:23:31,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:23:31,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:23:31,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:23:31,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:23:31,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:23:31,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:23:31,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:23:31,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:23:31,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:23:31,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:23:31,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:23:31,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:23:31,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:23:31,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:23:31,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:23:31,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:23:31,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:23:31,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:23:31,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:23:31,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:23:31,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:23:31,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:23:31,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:23:31,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:23:31,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:23:31,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:23:31,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:23:31,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-12-22 16:23:31,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:23:31,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:23:31,686 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:23:31,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:23:31,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:23:31,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:23:31,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:23:31,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:23:31,689 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:23:31,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:23:31,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 16:23:31,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 16:23:31,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:23:31,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 16:23:31,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:23:31,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 16:23:31,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 16:23:31,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:23:31,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:23:31,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:23:31,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:23:31,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:23:31,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:23:31,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:23:31,701 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 16:23:31,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 16:23:31,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:23:31,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 16:23:31,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-12-22 16:23:31,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:23:32,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:23:32,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:23:32,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:23:32,012 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:23:32,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-22 16:23:32,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0cb4010/b21ff9473142413b90da3d336ed2cf2c/FLAGca23a8e08 [2021-12-22 16:23:32,608 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:23:32,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-12-22 16:23:32,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0cb4010/b21ff9473142413b90da3d336ed2cf2c/FLAGca23a8e08 [2021-12-22 16:23:33,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0cb4010/b21ff9473142413b90da3d336ed2cf2c [2021-12-22 16:23:33,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:23:33,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:23:33,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:23:33,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:23:33,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:23:33,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:23:33" (1/1) ... [2021-12-22 16:23:33,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675bd697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:23:33, skipping insertion in model container [2021-12-22 16:23:33,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:23:33" (1/1) ... [2021-12-22 16:23:33,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:23:33,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:23:33,338 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-12-22 16:23:33,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@333b0b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:23:33, skipping insertion in model container [2021-12-22 16:23:33,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:23:33,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 16:23:33,341 INFO L158 Benchmark]: Toolchain (without parser) took 293.17ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.5MB in the beginning and 50.3MB in the end (delta: -21.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-22 16:23:33,342 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 16:23:33,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.57ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.3MB in the beginning and 50.3MB in the end (delta: -22.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-22 16:23:33,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.57ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.3MB in the beginning and 50.3MB in the end (delta: -22.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN