./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:15:49,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:15:49,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:15:49,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:15:49,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:15:49,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:15:49,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:15:49,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:15:49,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:15:49,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:15:49,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:15:49,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:15:49,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:15:49,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:15:49,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:15:49,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:15:49,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:15:49,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:15:49,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:15:49,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:15:49,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:15:49,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:15:49,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:15:49,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:15:49,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:15:49,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:15:49,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:15:49,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:15:49,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:15:49,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:15:49,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:15:49,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:15:49,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:15:49,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:15:49,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:15:49,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:15:49,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:15:49,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:15:49,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:15:49,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:15:49,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:15:49,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-21 01:15:50,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:15:50,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:15:50,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:15:50,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:15:50,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:15:50,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:15:50,053 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:15:50,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:15:50,054 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:15:50,054 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:15:50,055 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:15:50,056 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:15:50,056 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:15:50,056 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:15:50,057 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:15:50,057 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:15:50,057 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:15:50,058 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:15:50,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:15:50,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:15:50,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:15:50,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:15:50,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:15:50,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:15:50,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:15:50,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:15:50,061 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:15:50,061 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:15:50,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:15:50,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:15:50,062 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:15:50,063 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:15:50,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:15:50,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:15:50,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:15:50,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:15:50,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:15:50,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:15:50,065 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:15:50,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:15:50,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:15:50,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:15:50,067 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_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-21 01:15:50,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:15:50,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:15:50,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:15:50,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:15:50,464 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:15:50,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-21 01:15:50,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/2615afd0d/d66a427b127348a1a1c33bdabc5263a5/FLAGdb3e4cad2 [2021-11-21 01:15:51,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:15:51,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-21 01:15:51,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/2615afd0d/d66a427b127348a1a1c33bdabc5263a5/FLAGdb3e4cad2 [2021-11-21 01:15:51,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/2615afd0d/d66a427b127348a1a1c33bdabc5263a5 [2021-11-21 01:15:51,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:15:51,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:15:51,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:15:51,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:15:51,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:15:51,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:15:51" (1/1) ... [2021-11-21 01:15:51,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3725a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:15:51, skipping insertion in model container [2021-11-21 01:15:51,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:15:51" (1/1) ... [2021-11-21 01:15:51,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:15:51,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:15:51,725 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-21 01:15:51,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@275fa527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:15:51, skipping insertion in model container [2021-11-21 01:15:51,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:15:51,728 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:15:51,731 INFO L158 Benchmark]: Toolchain (without parser) took 379.36ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 67.5MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:15:51,732 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:15:51,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.43ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 67.5MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:15:51,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.43ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 67.5MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:15:54,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:15:54,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:15:54,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:15:54,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:15:54,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:15:54,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:15:54,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:15:54,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:15:54,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:15:54,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:15:54,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:15:54,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:15:54,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:15:54,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:15:54,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:15:54,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:15:54,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:15:54,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:15:54,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:15:54,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:15:54,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:15:54,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:15:54,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:15:54,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:15:54,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:15:54,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:15:54,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:15:54,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:15:54,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:15:54,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:15:54,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:15:54,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:15:54,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:15:54,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:15:54,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:15:54,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:15:54,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:15:54,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:15:54,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:15:54,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:15:54,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-21 01:15:54,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:15:54,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:15:54,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:15:54,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:15:54,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:15:54,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:15:54,355 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:15:54,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:15:54,355 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:15:54,356 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:15:54,357 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:15:54,357 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:15:54,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:15:54,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:15:54,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:15:54,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:15:54,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:15:54,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:15:54,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:15:54,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:15:54,360 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:15:54,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:15:54,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:15:54,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:15:54,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:15:54,362 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:15:54,362 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:15:54,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:15:54,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:15:54,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:15:54,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:15:54,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:15:54,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:15:54,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:15:54,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:15:54,365 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:15:54,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:15:54,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:15:54,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:15:54,366 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_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-21 01:15:54,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:15:54,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:15:54,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:15:54,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:15:54,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:15:54,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-21 01:15:54,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/bf30e83da/076b1e683dd6468caeb78b51743f0856/FLAGdf0dd5029 [2021-11-21 01:15:55,540 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:15:55,541 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-21 01:15:55,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/bf30e83da/076b1e683dd6468caeb78b51743f0856/FLAGdf0dd5029 [2021-11-21 01:15:55,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8c2113-34e9-4e34-bce2-2686b6f5e09c/bin/utaipan-TEXQjIfE4P/data/bf30e83da/076b1e683dd6468caeb78b51743f0856 [2021-11-21 01:15:55,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:15:55,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:15:55,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:15:55,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:15:55,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:15:55,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:15:55" (1/1) ... [2021-11-21 01:15:55,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252bc9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:15:55, skipping insertion in model container [2021-11-21 01:15:55,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:15:55" (1/1) ... [2021-11-21 01:15:55,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:15:55,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:15:56,149 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-21 01:15:56,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52a00ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:15:56, skipping insertion in model container [2021-11-21 01:15:56,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:15:56,151 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:15:56,153 INFO L158 Benchmark]: Toolchain (without parser) took 346.56ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 42.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:15:56,154 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:15:56,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.23ms. Allocated memory is still 58.7MB. Free memory was 37.8MB in the beginning and 42.0MB in the end (delta: -4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:15:56,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.23ms. Allocated memory is still 58.7MB. Free memory was 37.8MB in the beginning and 42.0MB in the end (delta: -4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN