./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7636b82427235e59cf5b6ba5e099bf7be7408de5 ............................................................................................................................ 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-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7636b82427235e59cf5b6ba5e099bf7be7408de5 ............................................................................................................................... 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 18:00:34,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:00:34,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:00:34,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:00:34,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:00:34,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:00:34,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:00:34,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:00:34,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:00:34,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:00:34,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:00:34,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:00:34,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:00:34,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:00:34,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:00:34,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:00:34,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:00:34,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:00:34,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:00:34,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:00:34,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:00:34,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:00:34,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:00:34,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:00:34,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:00:34,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:00:34,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:00:34,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:00:34,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:00:34,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:00:34,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:00:34,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:00:34,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:00:34,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:00:34,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:00:34,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:00:34,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:00:34,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:00:34,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:00:34,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:00:34,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:00:34,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:00:34,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:00:34,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:00:34,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:00:34,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:00:34,419 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:00:34,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:00:34,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:00:34,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:00:34,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:00:34,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:00:34,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:00:34,423 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:00:34,423 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:00:34,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:00:34,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:00:34,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:00:34,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:00:34,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:00:34,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:00:34,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:00:34,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:00:34,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:00:34,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:00:34,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:00:34,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:00:34,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:00:34,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:00:34,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:00:34,428 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-19 18:00:34,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:00:34,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:00:34,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:00:34,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:00:34,803 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:00:34,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-19 18:00:34,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13c7389/3b2d4dda9bcd42fb8392401a0fe0e711/FLAG0c0462619 [2020-10-19 18:00:35,420 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:00:35,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-19 18:00:35,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13c7389/3b2d4dda9bcd42fb8392401a0fe0e711/FLAG0c0462619 [2020-10-19 18:00:35,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff13c7389/3b2d4dda9bcd42fb8392401a0fe0e711 [2020-10-19 18:00:35,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:00:35,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:00:35,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:00:35,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:00:35,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:00:35,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:00:35" (1/1) ... [2020-10-19 18:00:35,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8b68e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:00:35, skipping insertion in model container [2020-10-19 18:00:35,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:00:35" (1/1) ... [2020-10-19 18:00:35,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:00:35,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:00:36,238 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-19 18:00:36,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34613c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:00:36, skipping insertion in model container [2020-10-19 18:00:36,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:00:36,240 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:00:36,243 INFO L168 Benchmark]: Toolchain (without parser) took 471.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:00:36,244 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:00:36,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:00:36,248 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 15.1 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 18:00:38,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:00:38,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:00:38,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:00:38,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:00:38,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:00:38,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:00:38,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:00:38,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:00:38,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:00:38,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:00:38,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:00:38,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:00:38,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:00:38,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:00:38,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:00:38,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:00:38,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:00:38,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:00:38,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:00:38,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:00:38,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:00:38,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:00:38,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:00:38,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:00:38,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:00:38,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:00:38,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:00:38,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:00:38,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:00:38,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:00:38,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:00:38,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:00:38,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:00:38,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:00:38,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:00:38,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:00:38,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:00:38,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:00:38,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:00:38,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:00:38,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:00:38,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:00:38,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:00:38,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:00:38,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:00:38,248 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:00:38,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:00:38,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:00:38,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:00:38,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:00:38,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:00:38,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:00:38,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:00:38,250 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:00:38,250 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:00:38,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:00:38,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:00:38,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:00:38,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:00:38,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:00:38,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:00:38,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:00:38,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:00:38,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:00:38,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:00:38,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:00:38,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:00:38,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:00:38,254 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:00:38,254 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:00:38,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:00:38,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:00:38,255 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-19 18:00:38,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:00:38,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:00:38,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:00:38,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:00:38,644 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:00:38,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-19 18:00:38,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fee38d6b/76fcc7386c9244c9934321a91db19926/FLAG435155595 [2020-10-19 18:00:39,267 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:00:39,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-19 18:00:39,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fee38d6b/76fcc7386c9244c9934321a91db19926/FLAG435155595 [2020-10-19 18:00:39,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fee38d6b/76fcc7386c9244c9934321a91db19926 [2020-10-19 18:00:39,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:00:39,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:00:39,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:00:39,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:00:39,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:00:39,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:00:39" (1/1) ... [2020-10-19 18:00:39,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cbe633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:00:39, skipping insertion in model container [2020-10-19 18:00:39,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:00:39" (1/1) ... [2020-10-19 18:00:39,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:00:39,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:00:40,063 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-19 18:00:40,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5406118c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:00:40, skipping insertion in model container [2020-10-19 18:00:40,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:00:40,064 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:00:40,068 INFO L168 Benchmark]: Toolchain (without parser) took 493.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:00:40,068 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:00:40,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:00:40,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -186.2 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...