./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-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 0.2.0-5485861 [2020-10-26 03:29:54,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:29:54,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:29:54,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:29:54,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:29:54,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:29:54,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:29:54,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:29:54,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:29:54,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:29:54,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:29:54,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:29:54,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:29:54,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:29:54,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:29:54,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:29:54,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:29:54,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:29:54,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:29:54,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:29:54,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:29:54,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:29:54,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:29:54,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:29:54,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:29:54,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:29:54,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:29:54,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:29:54,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:29:54,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:29:54,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:29:54,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:29:54,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:29:54,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:29:54,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:29:54,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:29:54,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:29:54,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:29:54,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:29:54,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:29:54,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:29:54,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-26 03:29:54,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:29:54,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:29:54,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:29:54,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:29:54,491 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:29:54,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:29:54,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:29:54,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:29:54,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:29:54,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:29:54,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:29:54,492 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:29:54,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:29:54,493 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:29:54,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:29:54,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:29:54,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:29:54,494 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:29:54,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:29:54,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:29:54,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:29:54,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:29:54,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:29:54,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:29:54,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:29:54,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:29:54,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:29:54,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:29:54,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-26 03:29:54,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:29:54,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:29:54,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:29:54,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:29:54,968 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:29:54,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-26 03:29:55,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88ff30f/27ba706d53184ac88a9ae20ba4de51e2/FLAG48aa85535 [2020-10-26 03:29:55,757 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:29:55,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-26 03:29:55,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88ff30f/27ba706d53184ac88a9ae20ba4de51e2/FLAG48aa85535 [2020-10-26 03:29:56,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88ff30f/27ba706d53184ac88a9ae20ba4de51e2 [2020-10-26 03:29:56,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:29:56,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:29:56,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:29:56,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:29:56,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:29:56,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:29:56" (1/1) ... [2020-10-26 03:29:56,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a5dac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:29:56, skipping insertion in model container [2020-10-26 03:29:56,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:29:56" (1/1) ... [2020-10-26 03:29:56,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:29:56,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:29:56,482 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-26 03:29:56,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49c67206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:29:56, skipping insertion in model container [2020-10-26 03:29:56,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:29:56,485 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-26 03:29:56,488 INFO L168 Benchmark]: Toolchain (without parser) took 442.87 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.1 MB in the beginning and 30.0 MB in the end (delta: -10.9 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:29:56,489 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:29:56,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.25 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.4 MB in the beginning and 30.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:29:56,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.25 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 18.4 MB in the beginning and 30.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 03:29:58,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:29:58,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:29:58,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:29:58,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:29:58,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:29:58,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:29:58,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:29:58,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:29:58,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:29:59,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:29:59,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:29:59,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:29:59,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:29:59,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:29:59,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:29:59,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:29:59,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:29:59,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:29:59,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:29:59,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:29:59,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:29:59,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:29:59,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:29:59,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:29:59,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:29:59,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:29:59,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:29:59,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:29:59,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:29:59,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:29:59,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:29:59,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:29:59,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:29:59,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:29:59,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:29:59,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:29:59,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:29:59,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:29:59,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:29:59,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:29:59,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-26 03:29:59,068 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:29:59,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:29:59,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:29:59,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:29:59,071 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:29:59,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:29:59,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:29:59,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:29:59,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:29:59,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:29:59,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:29:59,073 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:29:59,073 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:29:59,074 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:29:59,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:29:59,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:29:59,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:29:59,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:29:59,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:29:59,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:29:59,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:29:59,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:29:59,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:29:59,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:29:59,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:29:59,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:29:59,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:29:59,078 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:29:59,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:29:59,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:29:59,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:29:59,079 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7636b82427235e59cf5b6ba5e099bf7be7408de5 [2020-10-26 03:29:59,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:29:59,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:29:59,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:29:59,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:29:59,581 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:29:59,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-26 03:29:59,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31983ee9/edd41925ec024e808011de6435e2a55f/FLAG7e8ad1cc1 [2020-10-26 03:30:00,340 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:30:00,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-10-26 03:30:00,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31983ee9/edd41925ec024e808011de6435e2a55f/FLAG7e8ad1cc1 [2020-10-26 03:30:00,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c31983ee9/edd41925ec024e808011de6435e2a55f [2020-10-26 03:30:00,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:30:00,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:30:00,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:30:00,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:30:00,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:30:00,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:30:00" (1/1) ... [2020-10-26 03:30:00,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b05ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:00, skipping insertion in model container [2020-10-26 03:30:00,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:30:00" (1/1) ... [2020-10-26 03:30:00,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:30:00,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:30:01,045 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-10-26 03:30:01,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23e6b70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:30:01, skipping insertion in model container [2020-10-26 03:30:01,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:30:01,048 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-26 03:30:01,050 INFO L168 Benchmark]: Toolchain (without parser) took 385.42 ms. Allocated memory is still 56.6 MB. Free memory was 41.3 MB in the beginning and 30.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:01,051 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory is still 25.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:30:01,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.63 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 30.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 03:30:01,055 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 46.1 MB. Free memory is still 25.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.63 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 30.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...