./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 54858612 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 fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 .............................................................................................................................. 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 fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:59:02,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:59:02,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:59:03,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:59:03,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:59:03,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:59:03,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:59:03,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:59:03,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:59:03,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:59:03,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:59:03,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:59:03,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:59:03,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:59:03,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:59:03,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:59:03,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:59:03,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:59:03,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:59:03,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:59:03,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:59:03,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:59:03,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:59:03,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:59:03,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:59:03,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:59:03,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:59:03,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:59:03,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:59:03,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:59:03,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:59:03,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:59:03,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:59:03,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:59:03,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:59:03,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:59:03,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:59:03,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:59:03,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:59:03,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:59:03,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:59:03,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-26 03:59:03,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:59:03,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:59:03,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:59:03,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:59:03,162 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:59:03,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:59:03,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:59:03,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:59:03,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:59:03,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:59:03,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:59:03,164 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:59:03,165 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:59:03,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:59:03,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:59:03,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:59:03,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:59:03,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:59:03,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:59:03,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:59:03,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:59:03,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:59:03,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:59:03,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:59:03,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:59:03,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:59:03,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:59:03,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 [2020-10-26 03:59:03,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:59:03,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:59:03,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:59:03,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:59:03,603 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:59:03,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-26 03:59:03,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836fac2ac/032a59d1abb0451ebe371424324e12ae/FLAG2c4359a05 [2020-10-26 03:59:04,450 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:59:04,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-26 03:59:04,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836fac2ac/032a59d1abb0451ebe371424324e12ae/FLAG2c4359a05 [2020-10-26 03:59:04,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/836fac2ac/032a59d1abb0451ebe371424324e12ae [2020-10-26 03:59:04,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:59:04,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:59:04,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:59:04,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:59:04,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:59:04,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:59:04" (1/1) ... [2020-10-26 03:59:04,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de4e032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:59:04, skipping insertion in model container [2020-10-26 03:59:04,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:59:04" (1/1) ... [2020-10-26 03:59:04,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:59:04,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:59:05,180 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-26 03:59:05,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cd327f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:59:05, skipping insertion in model container [2020-10-26 03:59:05,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:59:05,182 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-26 03:59:05,185 INFO L168 Benchmark]: Toolchain (without parser) took 395.86 ms. Allocated memory is still 60.8 MB. Free memory was 44.7 MB in the beginning and 34.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:59:05,186 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 46.1 MB. Free memory is still 24.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:59:05,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.31 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 34.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:59:05,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 46.1 MB. Free memory is still 24.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.31 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 34.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 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 0.2.0-5485861 [2020-10-26 03:59:07,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:59:07,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:59:07,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:59:07,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:59:07,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:59:07,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:59:07,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:59:07,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:59:07,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:59:07,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:59:07,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:59:07,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:59:07,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:59:07,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:59:07,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:59:07,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:59:07,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:59:07,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:59:07,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:59:07,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:59:07,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:59:07,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:59:07,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:59:07,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:59:07,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:59:07,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:59:07,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:59:07,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:59:07,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:59:07,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:59:07,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:59:07,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:59:07,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:59:07,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:59:07,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:59:07,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:59:07,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:59:07,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:59:07,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:59:07,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:59:07,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-26 03:59:07,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:59:07,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:59:07,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:59:07,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:59:07,725 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:59:07,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:59:07,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:59:07,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:59:07,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:59:07,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:59:07,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:59:07,728 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:59:07,728 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:59:07,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:59:07,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:59:07,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:59:07,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:59:07,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:59:07,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:59:07,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:59:07,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:59:07,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:59:07,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:59:07,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:59:07,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:59:07,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:59:07,732 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:59:07,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:59:07,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:59:07,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:59:07,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 [2020-10-26 03:59:08,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:59:08,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:59:08,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:59:08,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:59:08,197 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:59:08,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-26 03:59:08,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacf9b80/764bda8f3b8a4c35a26ae65f3448d38e/FLAG8240eabc4 [2020-10-26 03:59:08,901 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:59:08,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-26 03:59:08,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacf9b80/764bda8f3b8a4c35a26ae65f3448d38e/FLAG8240eabc4 [2020-10-26 03:59:09,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bacf9b80/764bda8f3b8a4c35a26ae65f3448d38e [2020-10-26 03:59:09,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:59:09,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:59:09,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:59:09,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:59:09,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:59:09,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:59:09" (1/1) ... [2020-10-26 03:59:09,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23527b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:59:09, skipping insertion in model container [2020-10-26 03:59:09,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:59:09" (1/1) ... [2020-10-26 03:59:09,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:59:09,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:59:09,669 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-26 03:59:09,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@727de9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:59:09, skipping insertion in model container [2020-10-26 03:59:09,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:59:09,672 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-26 03:59:09,676 INFO L168 Benchmark]: Toolchain (without parser) took 443.37 ms. Allocated memory is still 44.0 MB. Free memory was 20.6 MB in the beginning and 20.9 MB in the end (delta: -219.8 kB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-10-26 03:59:09,678 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:59:09,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.35 ms. Allocated memory is still 44.0 MB. Free memory was 20.0 MB in the beginning and 21.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-10-26 03:59:09,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 44.0 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.35 ms. Allocated memory is still 44.0 MB. Free memory was 20.0 MB in the beginning and 21.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 3.6 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...