./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8 --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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8 --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 d1b1b34008a1f107ed3f99334cc6076559cadae6 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:21,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:21,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:22,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:22,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:22,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:22,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:22,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:22,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:22,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:22,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:22,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:22,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:22,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:22,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:22,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:22,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:22,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:22,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:22,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:22,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:22,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:22,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:22,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:22,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:22,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:22,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:22,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:22,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:22,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:22,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:22,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:22,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:22,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:22,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:22,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:22,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:22,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:22,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:22,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:22,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:22,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-13 06:44:22,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:22,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:22,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:22,174 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:22,174 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:22,175 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:22,175 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:22,175 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:22,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:22,176 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:22,177 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:22,177 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:22,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:22,178 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:22,178 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:22,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:44:22,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:44:22,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:22,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:22,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:44:22,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:22,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:22,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:22,181 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:44:22,181 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:44:22,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:22,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:22,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:22,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:22,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:22,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:22,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:22,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:22,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:22,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:22,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:22,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:22,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:22,185 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_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-13 06:44:22,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:22,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:22,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:22,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:22,470 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:22,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 06:44:22,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/96a56da03/3d436c3019dc4ca4990e49e3a872f1ee/FLAGf0bd9cce4 [2021-10-13 06:44:23,070 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:23,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 06:44:23,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/96a56da03/3d436c3019dc4ca4990e49e3a872f1ee/FLAGf0bd9cce4 [2021-10-13 06:44:23,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/96a56da03/3d436c3019dc4ca4990e49e3a872f1ee [2021-10-13 06:44:23,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:23,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:23,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:23,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:23,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:23,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc5c660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23, skipping insertion in model container [2021-10-13 06:44:23,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:23" (1/1) ... [2021-10-13 06:44:23,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:23,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:23,761 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 06:44:23,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d6dd177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:23, skipping insertion in model container [2021-10-13 06:44:23,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:23,768 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:44:23,770 INFO L168 Benchmark]: Toolchain (without parser) took 396.64 ms. Allocated memory is still 115.3 MB. Free memory was 83.8 MB in the beginning and 89.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:23,771 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:23,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.82 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 89.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:23,776 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 115.3 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.82 ms. Allocated memory is still 115.3 MB. Free memory was 83.5 MB in the beginning and 89.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:44:25,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:25,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:26,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:26,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:26,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:26,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:26,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:26,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:26,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:26,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:26,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:26,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:26,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:26,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:26,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:26,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:26,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:26,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:26,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:26,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:26,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:26,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:26,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:26,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:26,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:26,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:26,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:26,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:26,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:26,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:26,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:26,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:26,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:26,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:26,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:26,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:26,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:26,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:26,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:26,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:26,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-13 06:44:26,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:26,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:26,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:26,135 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:26,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:26,136 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:26,136 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:26,136 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:26,137 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:26,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 06:44:26,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 06:44:26,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:26,138 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:26,139 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 06:44:26,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:26,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:26,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:26,139 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 06:44:26,140 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 06:44:26,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:26,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:26,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:44:26,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:44:26,141 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:26,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:26,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:26,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:44:26,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:26,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:26,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:26,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:26,143 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:44:26,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:44:26,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:26,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:26,144 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_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-13 06:44:26,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:26,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:26,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:26,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:26,582 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:26,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 06:44:26,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/32a74bcc9/1cd94a4827cc4972b9a674bb718bbefd/FLAG75fa21c9f [2021-10-13 06:44:27,295 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:27,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 06:44:27,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/32a74bcc9/1cd94a4827cc4972b9a674bb718bbefd/FLAG75fa21c9f [2021-10-13 06:44:27,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f1d79ce-43d2-46c4-a951-42ef5d57c7de/bin/utaipan-q2qaUkNPG8/data/32a74bcc9/1cd94a4827cc4972b9a674bb718bbefd [2021-10-13 06:44:27,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:27,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:27,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:27,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:27,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:27,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:27" (1/1) ... [2021-10-13 06:44:27,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d456d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:27, skipping insertion in model container [2021-10-13 06:44:27,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:27" (1/1) ... [2021-10-13 06:44:27,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:27,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:28,090 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 06:44:28,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bf43a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:28, skipping insertion in model container [2021-10-13 06:44:28,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:28,092 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:44:28,094 INFO L168 Benchmark]: Toolchain (without parser) took 418.40 ms. Allocated memory is still 62.9 MB. Free memory was 43.9 MB in the beginning and 45.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:28,095 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:28,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.16 ms. Allocated memory is still 62.9 MB. Free memory was 43.8 MB in the beginning and 45.0 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:28,097 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 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 414.16 ms. Allocated memory is still 62.9 MB. Free memory was 43.8 MB in the beginning and 45.0 MB in the end (delta: -1.2 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...