./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f951365e4c268c83a3f0b9f1976691c784422012 ......................................................................................................................................... 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_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f951365e4c268c83a3f0b9f1976691c784422012 ...................................................................................................................................... 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 02:23:38,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:38,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:38,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:38,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:38,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:38,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:38,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:38,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:38,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:38,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:38,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:38,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:38,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:38,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:38,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:38,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:38,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:38,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:38,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:38,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:38,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:38,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:38,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:38,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:38,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:38,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:38,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:38,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:38,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:38,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:38,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:38,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:38,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:38,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:38,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:38,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:38,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:38,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:38,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:38,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:38,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-11 02:23:38,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:38,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:38,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:38,749 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:38,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:38,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:38,750 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:38,750 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:38,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:38,750 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:38,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:38,751 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:38,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:38,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:38,751 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:38,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:38,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:38,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:38,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:38,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:38,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:38,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:38,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:38,754 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:38,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:38,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:38,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:38,755 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:38,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:38,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:38,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:38,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:38,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:38,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:38,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:38,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:38,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:38,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:38,757 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_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2021-10-11 02:23:39,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:39,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:39,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:39,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:39,035 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:39,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2021-10-11 02:23:39,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/0de27b33a/c95050fda9ff4857925b51108195eec4/FLAG72353ad3e [2021-10-11 02:23:39,643 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:39,644 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/sv-benchmarks/c/memsafety/global-atexit-3.i [2021-10-11 02:23:39,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/0de27b33a/c95050fda9ff4857925b51108195eec4/FLAG72353ad3e [2021-10-11 02:23:39,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/0de27b33a/c95050fda9ff4857925b51108195eec4 [2021-10-11 02:23:39,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:39,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:39,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:39,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:39,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:39,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481f9b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:39, skipping insertion in model container [2021-10-11 02:23:39,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:39" (1/1) ... [2021-10-11 02:23:39,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:40,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:40,377 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:23:40,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bb9d68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:40, skipping insertion in model container [2021-10-11 02:23:40,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:40,379 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:40,383 INFO L168 Benchmark]: Toolchain (without parser) took 411.92 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 100.1 MB in the end (delta: -28.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,384 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:40,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.03 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 100.1 MB in the end (delta: -28.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:40,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 104.9 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.03 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 72.0 MB in the beginning and 100.1 MB in the end (delta: -28.1 MB). Peak memory consumption was 10.5 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 02:23:42,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:42,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:42,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:42,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:42,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:42,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:42,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:42,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:42,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:42,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:42,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:42,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:42,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:42,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:42,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:42,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:42,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:42,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:42,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:42,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:42,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:42,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:42,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:42,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:42,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:42,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:42,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:42,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:42,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:42,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:42,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:42,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:42,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:42,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:42,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:42,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:42,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:42,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:42,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:42,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:42,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:42,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:42,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:42,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:42,825 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:42,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:42,826 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:42,826 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:42,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:42,826 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:42,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:42,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:42,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:42,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:42,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:42,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:42,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:42,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:42,830 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:42,831 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:42,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:42,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:42,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:42,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:42,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:42,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:42,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:42,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:42,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:42,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:42,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:42,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:42,833 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:42,834 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:42,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:42,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:42,834 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_cf5eacfb-eb43-4017-8bf4-3974c0838f37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f951365e4c268c83a3f0b9f1976691c784422012 [2021-10-11 02:23:43,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:43,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:43,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:43,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:43,228 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:43,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/memsafety/global-atexit-3.i [2021-10-11 02:23:43,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/2df5a9348/5c5b234399dd426e9bee4d901438c78a/FLAG2fe1d96f0 [2021-10-11 02:23:43,959 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:43,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/sv-benchmarks/c/memsafety/global-atexit-3.i [2021-10-11 02:23:43,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/2df5a9348/5c5b234399dd426e9bee4d901438c78a/FLAG2fe1d96f0 [2021-10-11 02:23:44,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf5eacfb-eb43-4017-8bf4-3974c0838f37/bin/utaipan-WLngWcDbfI/data/2df5a9348/5c5b234399dd426e9bee4d901438c78a [2021-10-11 02:23:44,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:44,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:44,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:44,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:44,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:44,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f299a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:44" (1/1) ... [2021-10-11 02:23:44,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:44,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:44,657 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-11 02:23:44,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@712091cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:44,665 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:44,669 INFO L168 Benchmark]: Toolchain (without parser) took 424.79 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 58.1 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,671 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:44,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.68 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.6 MB in the beginning and 58.1 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:44,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.68 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.6 MB in the beginning and 58.1 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.5 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...