./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 9a8b2e8d 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_1.3.100.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 -Xmx15G -Xms4m -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 0.1.25-9a8b2e8 [2020-10-20 06:19:49,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:49,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:49,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:49,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:49,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:49,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:49,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:49,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:49,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:49,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:49,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:49,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:49,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:49,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:49,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:49,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:49,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:49,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:49,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:49,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:49,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:49,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:49,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:49,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:49,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:49,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:49,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:49,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:49,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:49,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:49,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:49,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:49,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:49,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:49,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:49,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:49,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:49,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:49,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:49,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:49,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2020-10-20 06:19:49,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:49,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:49,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:49,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:49,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:49,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:49,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:49,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:49,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:49,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:49,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:49,617 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:49,617 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:49,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:49,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:49,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:49,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:49,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:49,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:49,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:49,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:49,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:49,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:49,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:49,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:19:49,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:19:49,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:49,625 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 [2020-10-20 06:19:49,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:49,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:49,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:49,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:49,835 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:49,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-20 06:19:49,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828bc367f/38a76613506f4ec79b0b840871d4cb71/FLAG748269eb5 [2020-10-20 06:19:50,477 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:50,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-20 06:19:50,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828bc367f/38a76613506f4ec79b0b840871d4cb71/FLAG748269eb5 [2020-10-20 06:19:50,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828bc367f/38a76613506f4ec79b0b840871d4cb71 [2020-10-20 06:19:50,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:50,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:50,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:50,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:50,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:50,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f79d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:50, skipping insertion in model container [2020-10-20 06:19:50,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:50" (1/1) ... [2020-10-20 06:19:50,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:50,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:51,177 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 06:19:51,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16bb5711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:51, skipping insertion in model container [2020-10-20 06:19:51,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:51,179 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:51,182 INFO L168 Benchmark]: Toolchain (without parser) took 350.62 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 21.0 MB in the beginning and 20.8 MB in the end (delta: 262.0 kB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,183 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.39 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 20.9 MB in the end (delta: -731.0 kB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:51,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 342.39 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 20.9 MB in the end (delta: -731.0 kB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 06:19:53,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:19:53,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:19:53,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:19:53,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:19:53,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:19:53,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:19:53,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:19:53,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:19:53,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:19:53,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:19:53,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:19:53,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:19:53,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:19:53,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:19:53,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:19:53,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:19:53,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:19:53,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:19:53,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:19:53,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:19:53,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:19:53,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:19:53,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:19:53,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:19:53,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:19:53,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:19:53,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:19:53,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:19:53,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:19:53,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:19:53,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:19:53,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:19:53,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:19:53,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:19:53,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:19:53,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:19:53,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:19:53,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:19:53,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:19:53,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:19:53,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2020-10-20 06:19:53,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:19:53,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:19:53,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:19:53,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:19:53,312 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:19:53,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:19:53,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:19:53,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:19:53,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:19:53,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:19:53,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:19:53,314 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:19:53,314 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:19:53,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:19:53,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:19:53,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:19:53,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:19:53,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:19:53,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:19:53,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:19:53,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:19:53,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:19:53,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:19:53,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:19:53,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:19:53,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:19:53,317 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:19:53,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:19:53,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:19:53,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:19:53,318 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 [2020-10-20 06:19:53,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:19:53,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:19:53,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:19:53,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:19:53,550 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:19:53,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-20 06:19:53,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6740c5ea7/47fbeb42edd24a27a6220cbb46d0fa2a/FLAG23d5f3ba2 [2020-10-20 06:19:54,250 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:19:54,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-3.i [2020-10-20 06:19:54,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6740c5ea7/47fbeb42edd24a27a6220cbb46d0fa2a/FLAG23d5f3ba2 [2020-10-20 06:19:54,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6740c5ea7/47fbeb42edd24a27a6220cbb46d0fa2a [2020-10-20 06:19:54,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:19:54,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:19:54,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:54,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:19:54,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:19:54,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:54" (1/1) ... [2020-10-20 06:19:54,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ef12d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:54, skipping insertion in model container [2020-10-20 06:19:54,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:19:54" (1/1) ... [2020-10-20 06:19:54,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:19:54,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:19:54,936 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-20 06:19:54,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2965f476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:19:54, skipping insertion in model container [2020-10-20 06:19:54,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:19:54,938 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:19:54,941 INFO L168 Benchmark]: Toolchain (without parser) took 426.77 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 14.5 MB in the beginning and 24.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:54,942 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:19:54,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.68 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 13.7 MB in the beginning and 25.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:19:54,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 419.68 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 13.7 MB in the beginning and 25.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 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...