./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:04:45,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:04:45,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:04:45,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:04:45,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:04:45,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:04:45,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:04:45,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:04:45,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:04:45,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:04:45,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:04:45,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:04:45,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:04:45,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:04:45,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:04:45,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:04:45,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:04:45,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:04:45,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:04:45,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:04:45,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:04:45,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:04:45,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:04:45,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:04:45,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:04:45,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:04:45,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:04:45,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:04:45,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:04:45,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:04:45,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:04:45,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:04:45,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:04:45,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:04:45,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:04:45,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:04:45,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:04:45,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:04:45,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:04:45,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:04:45,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:04:45,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-26 00:04:45,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:04:45,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:04:45,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:04:45,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:04:45,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:04:45,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:04:45,940 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:04:45,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:04:45,941 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:04:45,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:04:45,942 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:04:45,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:04:45,943 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:04:45,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:04:45,944 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:04:45,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:04:45,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:04:45,945 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:04:45,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:04:45,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:04:45,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:04:45,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:04:45,947 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:04:45,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:04:45,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:04:45,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:04:45,948 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:04:45,948 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:04:45,948 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:04:45,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:04:45,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:04:45,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:04:45,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:04:45,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:04:45,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:04:45,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:04:45,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:04:45,951 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:04:45,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:04:45,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:04:45,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:04:45,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:04:45,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-26 00:04:46,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:04:46,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:04:46,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:04:46,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:04:46,315 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:04:46,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-26 00:04:50,350 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:04:50,676 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:04:50,677 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-26 00:04:50,693 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/85c9d6ec1/7fea12aeb963472aa58b5a078af84221/FLAG7735873d8 [2022-11-26 00:04:50,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/85c9d6ec1/7fea12aeb963472aa58b5a078af84221 [2022-11-26 00:04:50,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:04:50,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:04:50,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:50,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:04:50,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:04:50,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:50" (1/1) ... [2022-11-26 00:04:50,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1506fe17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:50, skipping insertion in model container [2022-11-26 00:04:50,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:50" (1/1) ... [2022-11-26 00:04:50,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:04:50,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:04:51,148 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-26 00:04:51,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37c95e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:51, skipping insertion in model container [2022-11-26 00:04:51,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:51,150 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:04:51,152 INFO L158 Benchmark]: Toolchain (without parser) took 432.44ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 145.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:04:51,153 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:04:51,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.86ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 145.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:04:51,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.86ms. Allocated memory is still 201.3MB. Free memory was 155.5MB in the beginning and 145.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:04:54,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:04:54,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:04:54,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:04:54,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:04:54,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:04:54,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:04:54,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:04:54,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:04:54,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:04:54,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:04:54,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:04:54,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:04:54,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:04:54,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:04:54,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:04:54,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:04:54,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:04:54,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:04:54,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:04:54,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:04:54,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:04:54,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:04:54,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:04:54,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:04:54,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:04:54,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:04:54,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:04:54,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:04:54,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:04:54,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:04:54,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:04:54,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:04:54,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:04:54,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:04:54,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:04:54,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:04:54,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:04:54,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:04:54,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:04:54,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:04:54,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-26 00:04:54,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:04:54,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:04:54,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:04:54,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:04:54,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:04:54,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:04:54,473 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:04:54,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:04:54,474 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:04:54,474 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:04:54,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:04:54,476 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:04:54,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:04:54,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:04:54,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:04:54,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:04:54,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:04:54,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:04:54,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:04:54,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:04:54,481 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:04:54,481 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:04:54,481 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:04:54,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:04:54,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:04:54,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:04:54,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:04:54,483 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:04:54,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:04:54,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:04:54,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:04:54,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:04:54,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:04:54,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:04:54,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:04:54,486 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:04:54,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:04:54,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:04:54,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:04:54,487 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_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-26 00:04:55,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:04:55,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:04:55,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:04:55,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:04:55,103 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:04:55,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-26 00:04:59,294 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:04:59,658 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:04:59,659 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-26 00:04:59,675 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/f263dfed9/cc458f0277394c069e90936cedee8c6d/FLAG08c8768a1 [2022-11-26 00:04:59,717 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12728a69-6659-4ad1-b251-f3c9306649d2/bin/utaipan-ByfvJB40ur/data/f263dfed9/cc458f0277394c069e90936cedee8c6d [2022-11-26 00:04:59,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:04:59,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:04:59,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:59,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:04:59,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:04:59,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:59" (1/1) ... [2022-11-26 00:04:59,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa65925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:59, skipping insertion in model container [2022-11-26 00:04:59,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:59" (1/1) ... [2022-11-26 00:04:59,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:04:59,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:05:00,300 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-26 00:05:00,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53af5d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:00, skipping insertion in model container [2022-11-26 00:05:00,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:05:00,302 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:05:00,305 INFO L158 Benchmark]: Toolchain (without parser) took 567.51ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 41.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:05:00,306 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:05:00,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.80ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 41.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:05:00,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.80ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 41.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN