./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ............................................................................................................................................ 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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ......................................................................................................................................... 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 02:24:41,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:41,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:41,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:41,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:41,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:41,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:41,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:41,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:41,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:41,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:41,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:41,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:41,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:41,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:41,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:41,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:41,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:41,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:41,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:41,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:41,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:41,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:41,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:41,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:41,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:41,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:41,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:41,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:41,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:41,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:41,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:41,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:41,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:41,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:41,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:41,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:41,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:41,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:41,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:41,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:41,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:24:41,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:41,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:41,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:41,695 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:41,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:41,695 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:41,695 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:41,696 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:41,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:41,696 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:41,697 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:41,697 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:41,698 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:41,698 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:41,698 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:41,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:24:41,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:24:41,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:24:41,699 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:24:41,700 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:24:41,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:41,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:41,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:41,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:41,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:41,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:41,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:41,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:41,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:41,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:41,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:41,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:41,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:41,702 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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-11 02:24:41,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:41,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:41,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:41,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:41,948 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:41,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-11 02:24:42,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/04fc1a34b/a5882998cc9c498ead31d7367b2e988f/FLAG06ea42100 [2021-10-11 02:24:42,579 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:42,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-11 02:24:42,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/04fc1a34b/a5882998cc9c498ead31d7367b2e988f/FLAG06ea42100 [2021-10-11 02:24:42,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/04fc1a34b/a5882998cc9c498ead31d7367b2e988f [2021-10-11 02:24:42,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:42,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:42,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:42,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:42,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:42,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:42" (1/1) ... [2021-10-11 02:24:42,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36126430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:42, skipping insertion in model container [2021-10-11 02:24:42,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:42" (1/1) ... [2021-10-11 02:24:42,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:42,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:43,304 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:24:43,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c2481b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:43, skipping insertion in model container [2021-10-11 02:24:43,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:43,306 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:24:43,308 INFO L168 Benchmark]: Toolchain (without parser) took 433.47 ms. Allocated memory is still 113.2 MB. Free memory was 78.8 MB in the beginning and 88.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:43,309 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:43,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.08 ms. Allocated memory is still 113.2 MB. Free memory was 78.6 MB in the beginning and 88.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:43,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 430.08 ms. Allocated memory is still 113.2 MB. Free memory was 78.6 MB in the beginning and 88.0 MB in the end (delta: -9.4 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 02:24:45,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:45,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:45,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:45,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:45,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:45,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:45,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:45,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:45,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:45,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:45,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:45,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:45,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:45,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:45,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:45,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:45,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:45,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:45,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:45,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:45,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:45,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:45,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:45,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:45,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:45,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:45,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:45,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:45,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:45,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:45,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:45,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:45,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:45,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:45,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:45,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:45,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:45,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:45,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:45,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:45,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:45,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:45,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:45,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:45,809 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:45,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:45,809 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:45,810 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:45,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:45,811 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:45,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:24:45,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:24:45,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:45,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:45,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:24:45,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:45,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:45,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:45,816 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:24:45,816 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:24:45,816 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:24:45,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:45,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:45,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:45,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:45,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:45,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:45,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:45,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:45,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:45,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:45,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:45,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:45,820 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:45,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:45,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:45,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:45,821 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_d9a974f0-c391-43c5-b1cd-b65d8341cf00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-11 02:24:46,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:46,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:46,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:46,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:46,250 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:46,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-11 02:24:46,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/97252b1f1/c5d79824eb6b4d51b25d3e926754a3d1/FLAG9d0bf45cd [2021-10-11 02:24:46,993 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:46,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-11 02:24:47,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/97252b1f1/c5d79824eb6b4d51b25d3e926754a3d1/FLAG9d0bf45cd [2021-10-11 02:24:47,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9a974f0-c391-43c5-b1cd-b65d8341cf00/bin/utaipan-WLngWcDbfI/data/97252b1f1/c5d79824eb6b4d51b25d3e926754a3d1 [2021-10-11 02:24:47,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:47,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:47,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:47,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:47,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:47,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:47" (1/1) ... [2021-10-11 02:24:47,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f04048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:47, skipping insertion in model container [2021-10-11 02:24:47,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:47" (1/1) ... [2021-10-11 02:24:47,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:47,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:47,635 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:24:47,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@705f9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:47, skipping insertion in model container [2021-10-11 02:24:47,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:47,636 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:24:47,638 INFO L168 Benchmark]: Toolchain (without parser) took 390.25 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 47.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:47,639 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:47,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.60 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 47.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:47,642 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 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.60 ms. Allocated memory is still 62.9 MB. Free memory was 42.3 MB in the beginning and 47.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 12.1 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...