./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 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 0.1.25-906a4fb [2020-10-19 18:26:58,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:26:58,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:26:58,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:26:58,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:26:58,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:26:58,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:26:58,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:26:58,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:26:58,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:26:58,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:26:58,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:26:58,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:26:58,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:26:58,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:26:58,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:26:58,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:26:58,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:26:58,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:26:58,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:26:58,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:26:58,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:26:58,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:26:58,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:26:58,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:26:58,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:26:58,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:26:58,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:26:58,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:26:58,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:26:58,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:26:58,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:26:58,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:26:58,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:26:58,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:26:58,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:26:58,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:26:58,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:26:58,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:26:58,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:26:58,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:26:58,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-19 18:26:58,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:26:58,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:26:58,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:26:58,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:26:58,918 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:26:58,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:26:58,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:26:58,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:26:58,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:26:58,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:26:58,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:26:58,921 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:26:58,921 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:26:58,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:26:58,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:26:58,922 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:26:58,922 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:26:58,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:26:58,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:26:58,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:26:58,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:26:58,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:26:58,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:26:58,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:26:58,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:26:58,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:26:58,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:26:58,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 [2020-10-19 18:26:59,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:26:59,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:26:59,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:26:59,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:26:59,254 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:26:59,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-19 18:26:59,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2baafc8f4/341dedc0c1214332b367c589d184b21b/FLAG0fbbb9ecb [2020-10-19 18:26:59,828 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:26:59,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-19 18:26:59,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2baafc8f4/341dedc0c1214332b367c589d184b21b/FLAG0fbbb9ecb [2020-10-19 18:27:00,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2baafc8f4/341dedc0c1214332b367c589d184b21b [2020-10-19 18:27:00,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:27:00,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:27:00,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:00,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:27:00,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:27:00,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:00" (1/1) ... [2020-10-19 18:27:00,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7468445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:00, skipping insertion in model container [2020-10-19 18:27:00,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:00" (1/1) ... [2020-10-19 18:27:00,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:27:00,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:27:00,603 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-19 18:27:00,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34aeaea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:00, skipping insertion in model container [2020-10-19 18:27:00,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:00,612 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:27:00,616 INFO L168 Benchmark]: Toolchain (without parser) took 465.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:00,617 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:27:00,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:00,623 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 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:27:02,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:27:02,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:27:02,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:27:02,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:27:02,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:27:02,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:27:02,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:27:02,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:27:02,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:27:02,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:27:02,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:27:02,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:27:02,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:27:02,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:27:02,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:27:02,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:27:02,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:27:02,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:27:02,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:27:02,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:27:02,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:27:02,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:27:02,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:27:02,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:27:02,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:27:02,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:27:02,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:27:02,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:27:02,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:27:02,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:27:02,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:27:02,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:27:02,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:27:02,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:27:02,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:27:02,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:27:02,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:27:02,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:27:02,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:27:02,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:27:02,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-19 18:27:02,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:27:02,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:27:02,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:27:02,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:27:02,498 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:27:02,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:27:02,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:27:02,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:27:02,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:27:02,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:27:02,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:27:02,501 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:27:02,502 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:27:02,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:27:02,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:27:02,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:27:02,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:27:02,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:27:02,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:27:02,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:27:02,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:27:02,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:27:02,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:27:02,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:27:02,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:27:02,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:27:02,506 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:27:02,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:27:02,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:27:02,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:27:02,507 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee1ad57d8748f1aae426fe0409e2e6a9c1705b4 [2020-10-19 18:27:02,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:27:02,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:27:02,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:27:02,873 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:27:02,876 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:27:02,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-19 18:27:02,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ba0804/935efbaf21674064a84437cd51199db2/FLAG34b2e757f [2020-10-19 18:27:03,472 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:27:03,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-19 18:27:03,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ba0804/935efbaf21674064a84437cd51199db2/FLAG34b2e757f [2020-10-19 18:27:03,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ba0804/935efbaf21674064a84437cd51199db2 [2020-10-19 18:27:03,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:27:03,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:27:03,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:03,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:27:03,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:27:03,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:03" (1/1) ... [2020-10-19 18:27:03,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5371a047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:03, skipping insertion in model container [2020-10-19 18:27:03,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:27:03" (1/1) ... [2020-10-19 18:27:03,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:27:03,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:27:04,199 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-19 18:27:04,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@161b52f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:27:04, skipping insertion in model container [2020-10-19 18:27:04,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:27:04,201 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:27:04,204 INFO L168 Benchmark]: Toolchain (without parser) took 426.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:04,205 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:27:04,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:27:04,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 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...