./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 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-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 0d8504409d8a16e1779514ad5a0d3c3317c7652b ......................................................................................................................... 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-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 0d8504409d8a16e1779514ad5a0d3c3317c7652b ............................................................................................................................ 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 18:26:51,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:26:51,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:26:51,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:26:51,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:26:51,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:26:51,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:26:51,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:26:51,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:26:51,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:26:51,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:26:51,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:26:51,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:26:51,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:26:51,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:26:51,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:26:51,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:26:51,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:26:51,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:26:51,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:26:51,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:26:51,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:26:51,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:26:51,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:26:51,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:26:51,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:26:51,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:26:51,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:26:51,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:26:51,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:26:51,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:26:51,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:26:51,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:26:51,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:26:51,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:26:51,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:26:51,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:26:51,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:26:51,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:26:51,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:26:51,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:26:51,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-19 18:26:51,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:26:51,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:26:51,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:26:51,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:26:51,623 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:26:51,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:26:51,624 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:26:51,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:26:51,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:26:51,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:26:51,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:26:51,625 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:26:51,625 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:26:51,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:26:51,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:26:51,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:26:51,626 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:26:51,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:26:51,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:26:51,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:26:51,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:26:51,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:26:51,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:26:51,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:26:51,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:26:51,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:26:51,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:26:51,630 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 -> 0d8504409d8a16e1779514ad5a0d3c3317c7652b [2020-10-19 18:26:51,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:26:51,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:26:51,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:26:51,955 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:26:51,956 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:26:51,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-19 18:26:52,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cec0e53f/baccd08feff645078f5988f3a7243cc2/FLAGeb0e1ee5d [2020-10-19 18:26:52,579 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:26:52,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-19 18:26:52,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cec0e53f/baccd08feff645078f5988f3a7243cc2/FLAGeb0e1ee5d [2020-10-19 18:26:52,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cec0e53f/baccd08feff645078f5988f3a7243cc2 [2020-10-19 18:26:52,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:26:52,857 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:26:52,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:26:52,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:26:52,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:26:52,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:26:52" (1/1) ... [2020-10-19 18:26:52,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19076f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:26:52, skipping insertion in model container [2020-10-19 18:26:52,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:26:52" (1/1) ... [2020-10-19 18:26:52,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:26:52,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:26:53,299 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-10-19 18:26:53,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57cc8995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:26:53, skipping insertion in model container [2020-10-19 18:26:53,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:26:53,301 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:26:53,304 INFO L168 Benchmark]: Toolchain (without parser) took 451.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:26:53,305 INFO L168 Benchmark]: CDTParser took 0.26 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 18:26:53,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:26:53,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 442.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 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 0.1.25-906a4fb [2020-10-19 18:26:55,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:26:55,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:26:55,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:26:55,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:26:55,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:26:55,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:26:55,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:26:55,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:26:55,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:26:55,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:26:55,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:26:55,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:26:55,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:26:55,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:26:55,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:26:55,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:26:55,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:26:55,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:26:55,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:26:55,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:26:55,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:26:55,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:26:55,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:26:55,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:26:55,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:26:55,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:26:55,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:26:55,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:26:55,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:26:55,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:26:55,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:26:55,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:26:55,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:26:55,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:26:55,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:26:55,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:26:55,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:26:55,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:26:55,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:26:55,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:26:55,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-19 18:26:55,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:26:55,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:26:55,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:26:55,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:26:55,147 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:26:55,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:26:55,148 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:26:55,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:26:55,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:26:55,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:26:55,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:26:55,150 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:26:55,150 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:26:55,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:26:55,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:26:55,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:26:55,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:26:55,152 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:26:55,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:26:55,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:26:55,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:26:55,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:26:55,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:26:55,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:26:55,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:26:55,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:26:55,155 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:26:55,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:26:55,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:26:55,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:26:55,156 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 -> 0d8504409d8a16e1779514ad5a0d3c3317c7652b [2020-10-19 18:26:55,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:26:55,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:26:55,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:26:55,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:26:55,485 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:26:55,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-19 18:26:55,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13f9bd5/5ca7fda5b319491d806a3a8f6dbd776c/FLAG658b104bc [2020-10-19 18:26:56,068 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:26:56,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-1.i [2020-10-19 18:26:56,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13f9bd5/5ca7fda5b319491d806a3a8f6dbd776c/FLAG658b104bc [2020-10-19 18:26:56,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13f9bd5/5ca7fda5b319491d806a3a8f6dbd776c [2020-10-19 18:26:56,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:26:56,346 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:26:56,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:26:56,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:26:56,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:26:56,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:26:56" (1/1) ... [2020-10-19 18:26:56,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2793a52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:26:56, skipping insertion in model container [2020-10-19 18:26:56,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:26:56" (1/1) ... [2020-10-19 18:26:56,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:26:56,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:26:56,840 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2020-10-19 18:26:56,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ead5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:26:56, skipping insertion in model container [2020-10-19 18:26:56,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:26:56,843 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:26:56,846 INFO L168 Benchmark]: Toolchain (without parser) took 502.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.0 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:26:56,847 INFO L168 Benchmark]: CDTParser took 0.25 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 18:26:56,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:26:56,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 495.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 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...