./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer --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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer --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 d1b1b34008a1f107ed3f99334cc6076559cadae6 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:14:42,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:14:42,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:14:42,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:14:42,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:14:42,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:14:42,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:14:42,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:14:42,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:14:42,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:14:42,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:14:42,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:14:42,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:14:42,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:14:42,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:14:42,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:14:42,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:14:42,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:14:42,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:14:42,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:14:42,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:14:42,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:14:42,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:14:42,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:14:42,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:14:42,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:14:42,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:14:42,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:14:42,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:14:42,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:14:42,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:14:42,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:14:42,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:14:42,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:14:42,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:14:42,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:14:42,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:14:42,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:14:42,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:14:42,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:14:42,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:14:42,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-12-01 15:14:42,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:14:42,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:14:42,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:14:42,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:14:42,571 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:14:42,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:14:42,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:14:42,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:14:42,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:14:42,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:14:42,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:14:42,573 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 15:14:42,573 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 15:14:42,573 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 15:14:42,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:14:42,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 15:14:42,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:14:42,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:14:42,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:14:42,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:14:42,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:14:42,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:14:42,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:14:42,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:14:42,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:14:42,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:14:42,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:14:42,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:14:42,577 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:/tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-12-01 15:14:42,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:14:42,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:14:42,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:14:42,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:14:42,939 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:14:42,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-01 15:14:43,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/a1d6f34fe/c417448751cf438ba8eb1f99b2f1b86c/FLAGbe9d3a5ad [2020-12-01 15:14:43,625 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:14:43,632 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-01 15:14:43,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/a1d6f34fe/c417448751cf438ba8eb1f99b2f1b86c/FLAGbe9d3a5ad [2020-12-01 15:14:43,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/a1d6f34fe/c417448751cf438ba8eb1f99b2f1b86c [2020-12-01 15:14:43,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:14:43,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 15:14:43,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:14:43,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:14:43,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:14:43,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:14:43" (1/1) ... [2020-12-01 15:14:43,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acc880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:14:43, skipping insertion in model container [2020-12-01 15:14:43,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:14:43" (1/1) ... [2020-12-01 15:14:43,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:14:43,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:14:44,311 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-01 15:14:44,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a46fc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:14:44, skipping insertion in model container [2020-12-01 15:14:44,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:14:44,312 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-01 15:14:44,314 INFO L168 Benchmark]: Toolchain (without parser) took 439.99 ms. Allocated memory is still 83.9 MB. Free memory was 62.5 MB in the beginning and 61.6 MB in the end (delta: 898.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:14:44,315 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 66.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:14:44,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.75 ms. Allocated memory is still 83.9 MB. Free memory was 62.2 MB in the beginning and 61.6 MB in the end (delta: 594.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:14:44,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 66.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.75 ms. Allocated memory is still 83.9 MB. Free memory was 62.2 MB in the beginning and 61.6 MB in the end (delta: 594.7 kB). Peak memory consumption was 8.4 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 0.2.0-69874e2 [2020-12-01 15:14:46,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:14:46,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:14:46,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:14:46,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:14:46,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:14:46,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:14:46,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:14:46,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:14:46,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:14:46,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:14:46,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:14:46,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:14:46,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:14:46,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:14:46,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:14:46,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:14:46,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:14:46,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:14:46,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:14:46,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:14:46,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:14:46,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:14:46,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:14:46,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:14:46,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:14:46,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:14:46,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:14:46,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:14:46,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:14:46,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:14:46,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:14:46,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:14:46,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:14:46,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:14:46,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:14:46,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:14:46,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:14:46,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:14:46,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:14:46,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:14:46,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-12-01 15:14:47,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:14:47,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:14:47,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:14:47,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:14:47,013 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:14:47,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:14:47,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:14:47,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:14:47,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:14:47,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:14:47,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:14:47,016 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 15:14:47,016 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 15:14:47,017 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 15:14:47,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:14:47,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 15:14:47,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:14:47,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:14:47,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:14:47,018 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:14:47,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:14:47,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:14:47,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:14:47,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:14:47,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:14:47,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:14:47,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:14:47,020 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:14:47,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:14:47,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:14:47,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:14:47,021 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:/tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-12-01 15:14:47,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:14:47,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:14:47,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:14:47,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:14:47,466 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:14:47,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-01 15:14:47,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/859e155de/cfd43f3d665649f0b9fb69b906e09411/FLAGf44da64f0 [2020-12-01 15:14:48,217 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:14:48,218 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-12-01 15:14:48,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/859e155de/cfd43f3d665649f0b9fb69b906e09411/FLAGf44da64f0 [2020-12-01 15:14:48,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b61ee69d-bbe3-4414-b5b1-074f7446cddd/bin/uautomizer/data/859e155de/cfd43f3d665649f0b9fb69b906e09411 [2020-12-01 15:14:48,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:14:48,538 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 15:14:48,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:14:48,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:14:48,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:14:48,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:14:48" (1/1) ... [2020-12-01 15:14:48,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4a9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:14:48, skipping insertion in model container [2020-12-01 15:14:48,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:14:48" (1/1) ... [2020-12-01 15:14:48,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:14:48,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:14:48,997 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-12-01 15:14:48,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27e72145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:14:48, skipping insertion in model container [2020-12-01 15:14:49,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:14:49,001 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-01 15:14:49,019 INFO L168 Benchmark]: Toolchain (without parser) took 464.14 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 50.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:14:49,020 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:14:49,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 50.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:14:49,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 461.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 50.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.5 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...