./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI --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_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI --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 0.2.0-7b2dab5 [2021-10-11 02:28:43,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:43,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:43,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:43,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:43,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:43,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:43,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:43,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:43,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:43,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:43,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:43,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:43,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:43,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:43,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:43,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:43,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:43,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:43,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:43,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:43,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:43,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:43,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:43,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:43,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:43,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:43,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:43,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:43,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:43,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:43,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:43,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:43,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:43,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:43,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:43,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:43,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:43,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:43,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:43,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:43,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:28:43,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:43,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:43,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:43,348 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:43,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:43,349 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:43,349 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:43,349 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:43,350 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:43,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:43,358 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:43,359 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:43,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:43,359 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:43,359 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:43,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:28:43,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:28:43,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:43,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:43,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:28:43,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:43,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:43,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:43,363 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:28:43,363 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:28:43,363 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:28:43,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:43,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:43,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:43,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:43,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:43,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:43,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:43,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:43,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:43,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:43,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:43,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:43,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:43,369 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_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-10-11 02:28:43,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:43,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:43,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:43,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:43,729 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:43,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-11 02:28:43,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/c1cd684a7/9f745042e64c425c835a45cad5a521b2/FLAG55f1aea09 [2021-10-11 02:28:44,314 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:44,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-11 02:28:44,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/c1cd684a7/9f745042e64c425c835a45cad5a521b2/FLAG55f1aea09 [2021-10-11 02:28:44,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/c1cd684a7/9f745042e64c425c835a45cad5a521b2 [2021-10-11 02:28:44,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:44,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:44,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:44,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:44,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:44,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:44" (1/1) ... [2021-10-11 02:28:44,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607c3db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:44, skipping insertion in model container [2021-10-11 02:28:44,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:44" (1/1) ... [2021-10-11 02:28:44,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:44,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:45,005 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:28:45,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40ff963f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:45, skipping insertion in model container [2021-10-11 02:28:45,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:45,013 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:45,016 INFO L168 Benchmark]: Toolchain (without parser) took 361.05 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 74.3 MB in the beginning and 105.4 MB in the end (delta: -31.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:45,018 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:45,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.67 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 105.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:45,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 107.0 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.67 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 105.4 MB in the end (delta: -31.4 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 0.2.0-7b2dab5 [2021-10-11 02:28:47,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:47,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:47,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:47,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:47,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:47,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:47,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:47,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:47,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:47,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:47,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:47,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:47,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:47,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:47,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:47,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:47,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:47,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:47,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:47,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:47,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:47,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:47,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:47,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:47,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:47,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:47,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:47,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:47,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:47,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:47,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:47,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:47,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:47,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:47,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:47,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:47,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:47,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:47,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:47,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:47,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:47,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:47,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:47,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:47,482 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:47,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:47,482 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:47,483 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:47,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:47,483 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:47,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:28:47,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:28:47,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:47,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:47,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:28:47,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:47,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:47,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:47,488 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:28:47,488 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:28:47,488 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:28:47,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:47,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:47,489 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:47,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:47,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:47,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:47,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:47,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:47,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:47,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:47,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:47,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:47,492 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:47,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:47,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:47,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:47,493 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_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2021-10-11 02:28:47,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:47,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:47,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:47,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:47,943 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:47,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-11 02:28:48,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/30556c475/c64649c5b59246038aab70caf516994a/FLAG35b01e54f [2021-10-11 02:28:48,727 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:48,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-10-11 02:28:48,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/30556c475/c64649c5b59246038aab70caf516994a/FLAG35b01e54f [2021-10-11 02:28:48,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec1fe31-947d-400c-8195-909ad9e822db/bin/utaipan-WLngWcDbfI/data/30556c475/c64649c5b59246038aab70caf516994a [2021-10-11 02:28:48,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:48,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:48,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:48,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:48,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:48,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3299a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:48, skipping insertion in model container [2021-10-11 02:28:48,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:48" (1/1) ... [2021-10-11 02:28:48,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:49,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:49,350 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:28:49,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43720808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:49, skipping insertion in model container [2021-10-11 02:28:49,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:49,352 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:49,363 INFO L168 Benchmark]: Toolchain (without parser) took 389.31 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 47.2 MB in the end (delta: -4.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,364 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:49,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.40 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 47.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:49,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 377.40 ms. Allocated memory is still 62.9 MB. Free memory was 42.0 MB in the beginning and 47.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 11.8 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...