./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 ......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:05:00,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:05:00,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:05:00,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:05:00,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:05:00,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:05:00,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:05:00,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:05:00,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:05:00,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:05:00,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:05:00,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:05:00,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:05:00,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:05:00,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:05:00,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:05:00,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:05:00,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:05:00,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:05:00,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:05:00,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:05:00,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:05:00,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:05:00,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:05:00,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:05:00,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:05:00,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:05:00,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:05:00,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:05:00,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:05:00,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:05:00,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:05:00,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:05:00,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:05:00,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:05:00,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:05:00,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:05:00,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:05:00,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:05:00,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:05:00,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:05:00,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:05:00,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:05:00,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:05:00,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:05:00,394 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:05:00,394 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:05:00,395 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:05:00,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:05:00,395 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:05:00,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:05:00,396 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:05:00,396 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:05:00,397 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:05:00,397 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:05:00,397 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:05:00,398 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:05:00,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:05:00,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:05:00,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:05:00,399 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:05:00,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:05:00,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:05:00,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:05:00,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:05:00,400 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:05:00,400 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:05:00,401 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:05:00,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:05:00,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:05:00,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:05:00,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:05:00,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:05:00,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:05:00,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:05:00,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:05:00,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:05:00,402 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:05:00,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:05:00,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:05:00,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:05:00,403 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-10-13 07:05:00,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:05:00,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:05:00,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:05:00,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:05:00,660 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:05:00,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-13 07:05:00,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/e2717b10b/3b9ada82a133427a8e171b6cb1256cca/FLAGf4d5b2757 [2021-10-13 07:05:01,225 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:05:01,227 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-13 07:05:01,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/e2717b10b/3b9ada82a133427a8e171b6cb1256cca/FLAGf4d5b2757 [2021-10-13 07:05:01,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/e2717b10b/3b9ada82a133427a8e171b6cb1256cca [2021-10-13 07:05:01,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:05:01,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:05:01,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:01,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:05:01,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:05:01,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:01" (1/1) ... [2021-10-13 07:05:01,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2d188f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:01, skipping insertion in model container [2021-10-13 07:05:01,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:01" (1/1) ... [2021-10-13 07:05:01,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:05:01,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:05:01,940 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 07:05:01,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a0b43a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:01, skipping insertion in model container [2021-10-13 07:05:01,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:01,943 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:05:01,945 INFO L168 Benchmark]: Toolchain (without parser) took 392.83 ms. Allocated memory is still 146.8 MB. Free memory was 112.2 MB in the beginning and 122.2 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:01,946 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:01,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.25 ms. Allocated memory is still 146.8 MB. Free memory was 111.9 MB in the beginning and 122.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:01,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.25 ms. Allocated memory is still 146.8 MB. Free memory was 111.9 MB in the beginning and 122.2 MB in the end (delta: -10.3 MB). 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 0.2.1-dev-4e77c04 [2021-10-13 07:05:04,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:05:04,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:05:04,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:05:04,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:05:04,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:05:04,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:05:04,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:05:04,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:05:04,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:05:04,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:05:04,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:05:04,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:05:04,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:05:04,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:05:04,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:05:04,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:05:04,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:05:04,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:05:04,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:05:04,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:05:04,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:05:04,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:05:04,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:05:04,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:05:04,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:05:04,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:05:04,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:05:04,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:05:04,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:05:04,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:05:04,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:05:04,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:05:04,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:05:04,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:05:04,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:05:04,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:05:04,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:05:04,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:05:04,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:05:04,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:05:04,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:05:04,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:05:04,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:05:04,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:05:04,299 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:05:04,299 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:05:04,299 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:05:04,299 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:05:04,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:05:04,300 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:05:04,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:05:04,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:05:04,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:05:04,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:05:04,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:05:04,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:05:04,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:05:04,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:05:04,304 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:05:04,304 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:05:04,304 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:05:04,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:05:04,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:05:04,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:05:04,305 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:05:04,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:05:04,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:05:04,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:05:04,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:05:04,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:05:04,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:05:04,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:05:04,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:05:04,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:05:04,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:05:04,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:05:04,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:05:04,309 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_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-10-13 07:05:04,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:05:04,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:05:04,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:05:04,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:05:04,808 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:05:04,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-13 07:05:04,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/eeaa5ac11/58026987898d44298455b6122d110b39/FLAGc26524a0e [2021-10-13 07:05:05,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:05:05,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-13 07:05:05,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/eeaa5ac11/58026987898d44298455b6122d110b39/FLAGc26524a0e [2021-10-13 07:05:05,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48d21007-4d57-4d31-ab60-b6ae516820da/bin/utaipan-q2qaUkNPG8/data/eeaa5ac11/58026987898d44298455b6122d110b39 [2021-10-13 07:05:05,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:05:05,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:05:05,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:05,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:05:05,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:05:05,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:05" (1/1) ... [2021-10-13 07:05:05,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466c2704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:05, skipping insertion in model container [2021-10-13 07:05:05,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:05:05" (1/1) ... [2021-10-13 07:05:05,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:05:05,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:05:06,162 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 07:05:06,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64d0e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:05:06, skipping insertion in model container [2021-10-13 07:05:06,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:05:06,163 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:05:06,166 INFO L168 Benchmark]: Toolchain (without parser) took 395.97 ms. Allocated memory is still 75.5 MB. Free memory was 56.8 MB in the beginning and 57.3 MB in the end (delta: -417.8 kB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:06,167 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 59.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:06,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.52 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 57.3 MB in the end (delta: -604.0 kB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:06,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 59.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.52 ms. Allocated memory is still 75.5 MB. Free memory was 56.7 MB in the beginning and 57.3 MB in the end (delta: -604.0 kB). Peak memory consumption was 11.6 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...