./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 78ba48a5ba258c97002ebbac7c4ac0368a62523f ............................................................................................................................... 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-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 78ba48a5ba258c97002ebbac7c4ac0368a62523f ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 04:28:10,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 04:28:10,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 04:28:10,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 04:28:10,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 04:28:10,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 04:28:10,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 04:28:10,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 04:28:10,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 04:28:10,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 04:28:10,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 04:28:10,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 04:28:10,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 04:28:10,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 04:28:10,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 04:28:10,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 04:28:10,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 04:28:10,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 04:28:10,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 04:28:10,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 04:28:10,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 04:28:10,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 04:28:10,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 04:28:10,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 04:28:10,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 04:28:10,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 04:28:10,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 04:28:10,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 04:28:10,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 04:28:10,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 04:28:10,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 04:28:10,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 04:28:10,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 04:28:10,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 04:28:10,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 04:28:10,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 04:28:10,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 04:28:10,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 04:28:10,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 04:28:10,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 04:28:10,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 04:28:10,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2021-08-27 04:28:10,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 04:28:10,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 04:28:10,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 04:28:10,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 04:28:10,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 04:28:10,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 04:28:10,591 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 04:28:10,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 04:28:10,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 04:28:10,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 04:28:10,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 04:28:10,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 04:28:10,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 04:28:10,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 04:28:10,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 04:28:10,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 04:28:10,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-08-27 04:28:10,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 04:28:10,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 04:28:10,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 04:28:10,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 04:28:10,929 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 04:28:10,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-08-27 04:28:11,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126c3b5b/a080c927fc4e4ec787f41afeaa249a58/FLAG15da29c17 [2021-08-27 04:28:11,446 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 04:28:11,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-08-27 04:28:11,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126c3b5b/a080c927fc4e4ec787f41afeaa249a58/FLAG15da29c17 [2021-08-27 04:28:11,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6126c3b5b/a080c927fc4e4ec787f41afeaa249a58 [2021-08-27 04:28:11,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 04:28:11,831 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 04:28:11,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 04:28:11,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 04:28:11,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 04:28:11,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:28:11" (1/1) ... [2021-08-27 04:28:11,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249eee43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:28:11, skipping insertion in model container [2021-08-27 04:28:11,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:28:11" (1/1) ... [2021-08-27 04:28:11,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 04:28:11,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 04:28:12,128 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-08-27 04:28:12,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a23290a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:28:12, skipping insertion in model container [2021-08-27 04:28:12,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 04:28:12,130 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 04:28:12,131 INFO L168 Benchmark]: Toolchain (without parser) took 299.48 ms. Allocated memory is still 54.5 MB. Free memory was 30.6 MB in the beginning and 34.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-08-27 04:28:12,132 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 04:28:12,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.15 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 34.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-08-27 04:28:12,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.15 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 34.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 04:28:13,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 04:28:13,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 04:28:13,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 04:28:13,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 04:28:13,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 04:28:13,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 04:28:13,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 04:28:13,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 04:28:13,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 04:28:13,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 04:28:13,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 04:28:13,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 04:28:13,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 04:28:13,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 04:28:13,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 04:28:13,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 04:28:13,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 04:28:13,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 04:28:13,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 04:28:13,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 04:28:13,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 04:28:13,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 04:28:13,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 04:28:13,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 04:28:13,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 04:28:13,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 04:28:13,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 04:28:13,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 04:28:13,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 04:28:13,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 04:28:13,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 04:28:13,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 04:28:13,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 04:28:13,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 04:28:13,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 04:28:13,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 04:28:13,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 04:28:13,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 04:28:13,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 04:28:13,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 04:28:13,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2021-08-27 04:28:13,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 04:28:13,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 04:28:13,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 04:28:13,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 04:28:13,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 04:28:13,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 04:28:13,992 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 04:28:13,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 04:28:13,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 04:28:13,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 04:28:13,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 04:28:13,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 04:28:13,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 04:28:13,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 04:28:13,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 04:28:13,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 04:28:13,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 04:28:13,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 04:28:13,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 04:28:13,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 04:28:13,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 04:28:13,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 04:28:13,997 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 04:28:13,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 04:28:13,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 04:28:13,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 04:28:13,998 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ba48a5ba258c97002ebbac7c4ac0368a62523f [2021-08-27 04:28:14,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 04:28:14,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 04:28:14,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 04:28:14,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 04:28:14,342 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 04:28:14,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-08-27 04:28:14,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65302e447/a9ddc67fb6e44cde96dcb372132d3c09/FLAG9722265b9 [2021-08-27 04:28:14,817 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 04:28:14,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-08-27 04:28:14,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65302e447/a9ddc67fb6e44cde96dcb372132d3c09/FLAG9722265b9 [2021-08-27 04:28:15,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65302e447/a9ddc67fb6e44cde96dcb372132d3c09 [2021-08-27 04:28:15,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 04:28:15,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 04:28:15,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 04:28:15,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 04:28:15,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 04:28:15,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:28:15" (1/1) ... [2021-08-27 04:28:15,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330217b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:28:15, skipping insertion in model container [2021-08-27 04:28:15,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:28:15" (1/1) ... [2021-08-27 04:28:15,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 04:28:15,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 04:28:15,466 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-08-27 04:28:15,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c75a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:28:15, skipping insertion in model container [2021-08-27 04:28:15,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 04:28:15,481 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 04:28:15,483 INFO L168 Benchmark]: Toolchain (without parser) took 284.22 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.6 MB in the beginning and 51.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-08-27 04:28:15,484 INFO L168 Benchmark]: CDTParser took 1.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 04:28:15,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.77 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 51.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-08-27 04:28:15,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.77 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 51.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * 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...