./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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-memcleanup) ) --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 [2021-11-20 23:32:30,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:30,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:30,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:30,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:30,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:30,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:30,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:30,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:30,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:30,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:30,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:30,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:30,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:30,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:30,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:30,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:30,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:30,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:30,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:30,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:30,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:30,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:30,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:30,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:30,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:30,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:30,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:30,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:30,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:30,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:30,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:30,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:30,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:30,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:30,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:30,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:30,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:30,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:30,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:30,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:30,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-20 23:32:30,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:30,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:30,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:30,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:30,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:30,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:30,887 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:30,887 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:30,887 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:30,887 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:30,888 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:30,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:30,888 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:30,888 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:30,888 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:30,889 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:30,889 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:30,889 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:30,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:32:30,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:32:30,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:30,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:30,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:32:30,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:30,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:30,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:30,892 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:32:30,892 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:32:30,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:30,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:32:30,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:30,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:30,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:30,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:30,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:30,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:30,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:30,894 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:30,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:30,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:30,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:30,895 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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-20 23:32:31,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:31,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:31,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:31,218 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:31,219 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:31,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-20 23:32:31,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/2090be069/69df02fbbd39495fb98114541523096f/FLAGc36383402 [2021-11-20 23:32:31,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:31,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-20 23:32:31,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/2090be069/69df02fbbd39495fb98114541523096f/FLAGc36383402 [2021-11-20 23:32:32,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/2090be069/69df02fbbd39495fb98114541523096f [2021-11-20 23:32:32,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:32,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:32,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:32,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:32,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:32,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34af003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32, skipping insertion in model container [2021-11-20 23:32:32,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:32" (1/1) ... [2021-11-20 23:32:32,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:32,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:32,629 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-20 23:32:32,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bbcbc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:32, skipping insertion in model container [2021-11-20 23:32:32,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:32,631 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:32:32,634 INFO L158 Benchmark]: Toolchain (without parser) took 453.26ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 82.2MB in the end (delta: -13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:32,635 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 86.5MB in the beginning and 86.4MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:32,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.68ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 82.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:32,639 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 109.1MB. Free memory was 86.5MB in the beginning and 86.4MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.68ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 82.2MB in the end (delta: -13.1MB). 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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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-memcleanup) ) --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 [2021-11-20 23:32:34,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:34,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:34,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:34,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:34,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:34,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:34,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:34,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:34,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:34,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:34,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:34,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:34,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:34,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:34,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:34,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:34,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:34,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:34,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:34,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:34,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:34,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:34,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:34,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:34,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:34,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:34,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:34,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:34,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:34,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:34,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:34,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:34,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:34,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:34,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:34,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:34,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:34,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:34,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:34,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:34,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-20 23:32:35,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:35,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:35,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:35,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:35,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:35,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:35,030 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:35,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:35,031 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:35,031 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:35,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:35,032 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:35,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:32:35,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:32:35,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:35,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:35,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:32:35,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:35,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:35,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:35,036 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:32:35,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:32:35,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:35,036 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:32:35,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:32:35,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:32:35,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:35,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:35,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:35,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:32:35,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:35,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:35,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:35,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:35,039 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:32:35,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:32:35,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:35,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:35,040 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_9140c5dd-bd7a-47a1-abeb-553d5e941a33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-20 23:32:35,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:35,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:35,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:35,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:35,442 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:35,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-20 23:32:35,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/79cca8c05/9d5c3a5862bc4f048d94c6e17dcdaf94/FLAG770fdb6df [2021-11-20 23:32:36,163 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:36,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-20 23:32:36,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/79cca8c05/9d5c3a5862bc4f048d94c6e17dcdaf94/FLAG770fdb6df [2021-11-20 23:32:36,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9140c5dd-bd7a-47a1-abeb-553d5e941a33/bin/utaipan-TEXQjIfE4P/data/79cca8c05/9d5c3a5862bc4f048d94c6e17dcdaf94 [2021-11-20 23:32:36,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:36,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:36,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:36,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:36,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:36,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:36" (1/1) ... [2021-11-20 23:32:36,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aafed81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:36, skipping insertion in model container [2021-11-20 23:32:36,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:36" (1/1) ... [2021-11-20 23:32:36,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:36,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:36,822 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-20 23:32:36,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a7c7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:36, skipping insertion in model container [2021-11-20 23:32:36,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:36,825 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:32:36,827 INFO L158 Benchmark]: Toolchain (without parser) took 387.81ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 34.0MB in the beginning and 56.8MB in the end (delta: -22.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,829 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:36,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.15ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 56.8MB in the end (delta: -23.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 23:32:36,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.15ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 56.8MB in the end (delta: -23.0MB). 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