./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-2329fc7 [2022-12-14 12:43:05,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:43:05,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:43:05,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:43:05,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:43:05,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:43:05,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:43:05,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:43:05,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:43:05,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:43:05,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:43:05,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:43:05,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:43:05,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:43:05,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:43:05,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:43:05,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:43:05,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:43:05,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:43:05,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:43:05,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:43:05,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:43:05,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:43:05,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:43:05,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:43:05,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:43:05,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:43:05,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:43:05,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:43:05,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:43:05,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:43:05,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:43:05,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:43:05,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:43:05,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:43:05,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:43:05,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:43:05,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:43:05,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:43:05,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:43:05,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:43:05,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2022-12-14 12:43:05,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:43:05,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:43:05,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:43:05,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:43:05,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:43:05,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:43:05,754 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:43:05,755 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:43:05,755 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:43:05,755 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:43:05,755 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:43:05,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:43:05,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:43:05,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:43:05,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:43:05,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:43:05,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:43:05,758 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:43:05,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:43:05,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:43:05,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:43:05,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:43:05,758 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_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-12-14 12:43:05,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:43:05,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:43:05,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:43:05,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:43:05,943 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:43:05,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:43:08,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:43:08,694 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:43:08,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:43:08,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/2bb44830d/179b6fbec09b4c8aa7cad55ac4acf831/FLAGba0b51eea [2022-12-14 12:43:08,718 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/2bb44830d/179b6fbec09b4c8aa7cad55ac4acf831 [2022-12-14 12:43:08,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:43:08,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:43:08,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:08,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:43:08,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:43:08,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:08" (1/1) ... [2022-12-14 12:43:08,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ed071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:08, skipping insertion in model container [2022-12-14 12:43:08,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:08" (1/1) ... [2022-12-14 12:43:08,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:43:08,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:43:08,981 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 12:43:08,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c834101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:08, skipping insertion in model container [2022-12-14 12:43:08,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:08,982 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:43:08,984 INFO L158 Benchmark]: Toolchain (without parser) took 261.53ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 114.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:43:08,985 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:43:08,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.31ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 114.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:43:08,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.31ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 114.3MB 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-2329fc7 [2022-12-14 12:43:10,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:43:10,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:43:10,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:43:10,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:43:10,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:43:10,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:43:10,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:43:10,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:43:10,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:43:10,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:43:10,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:43:10,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:43:10,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:43:10,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:43:10,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:43:10,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:43:10,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:43:10,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:43:10,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:43:10,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:43:10,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:43:10,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:43:10,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:43:10,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:43:10,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:43:10,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:43:10,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:43:10,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:43:10,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:43:10,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:43:10,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:43:10,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:43:10,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:43:10,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:43:10,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:43:10,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:43:10,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:43:10,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:43:10,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:43:10,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:43:10,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2022-12-14 12:43:10,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:43:10,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:43:10,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:43:10,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:43:10,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:43:10,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:43:10,519 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:43:10,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:43:10,520 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:43:10,520 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:43:10,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:43:10,520 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:43:10,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:43:10,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:43:10,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:43:10,521 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:43:10,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:43:10,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:43:10,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:43:10,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:43:10,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:43:10,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:43:10,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:43:10,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:43:10,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:43:10,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:43:10,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:43:10,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:43:10,525 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_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-12-14 12:43:10,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:43:10,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:43:10,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:43:10,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:43:10,780 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:43:10,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:43:13,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:43:13,517 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:43:13,518 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-12-14 12:43:13,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/dd4b6a30e/7ca492c94c734afda39f91b5e0a13ebd/FLAG1fb52d019 [2022-12-14 12:43:13,540 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4fefab-aea7-4f59-aaec-cbbff4e56ef7/bin/utaipan-gh47qXpMRh/data/dd4b6a30e/7ca492c94c734afda39f91b5e0a13ebd [2022-12-14 12:43:13,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:43:13,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:43:13,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:13,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:43:13,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:43:13,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:13" (1/1) ... [2022-12-14 12:43:13,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aada4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:13, skipping insertion in model container [2022-12-14 12:43:13,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:13" (1/1) ... [2022-12-14 12:43:13,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:43:13,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:43:13,765 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-12-14 12:43:13,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ed521c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:13, skipping insertion in model container [2022-12-14 12:43:13,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:13,766 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:43:13,768 INFO L158 Benchmark]: Toolchain (without parser) took 223.04ms. Allocated memory is still 67.1MB. Free memory was 33.0MB in the beginning and 39.5MB in the end (delta: -6.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-12-14 12:43:13,768 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:43:13,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.96ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 39.5MB in the end (delta: -6.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-12-14 12:43:13,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.96ms. Allocated memory is still 67.1MB. Free memory was 32.8MB in the beginning and 39.5MB in the end (delta: -6.6MB). Peak memory consumption was 3.4MB. 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