./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw --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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 ......................................................................................................................................... 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_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw --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 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:15:17,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:15:17,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:15:17,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:15:17,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:15:17,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:15:17,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:15:17,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:15:17,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:15:17,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:15:17,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:15:17,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:15:17,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:15:17,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:15:17,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:15:17,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:15:17,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:15:17,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:15:17,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:15:17,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:15:17,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:15:17,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:15:17,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:15:17,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:15:17,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:15:17,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:15:17,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:15:17,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:15:17,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:15:17,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:15:17,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:15:17,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:15:17,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:15:17,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:15:17,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:15:17,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:15:17,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:15:17,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:15:17,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:15:17,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:15:17,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:15:17,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-20 05:15:17,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:15:17,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:15:17,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:15:17,812 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:15:17,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:15:17,812 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:15:17,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:15:17,813 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:15:17,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:15:17,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:15:17,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:15:17,814 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:15:17,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:15:17,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:15:17,815 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:15:17,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:15:17,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:15:17,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:15:17,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:15:17,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:15:17,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:15:17,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:15:17,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:15:17,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:15:17,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:15:17,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:15:17,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:15:17,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:15:17,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:15:17,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:15:17,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:15:17,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:15:17,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:15:17,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:15:17,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:15:17,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:15:17,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:15:17,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:15:17,823 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_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-20 05:15:18,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:15:18,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:15:18,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:15:18,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:15:18,150 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:15:18,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-20 05:15:18,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/f264be1c8/27ad098e75df48648d2ca9c4aeed1d57/FLAGdc0ca677c [2021-10-20 05:15:18,895 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:15:18,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-20 05:15:18,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/f264be1c8/27ad098e75df48648d2ca9c4aeed1d57/FLAGdc0ca677c [2021-10-20 05:15:19,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/f264be1c8/27ad098e75df48648d2ca9c4aeed1d57 [2021-10-20 05:15:19,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:15:19,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:15:19,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:19,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:15:19,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:15:19,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:19" (1/1) ... [2021-10-20 05:15:19,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb26327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:19, skipping insertion in model container [2021-10-20 05:15:19,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:19" (1/1) ... [2021-10-20 05:15:19,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:15:19,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:15:19,530 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-20 05:15:19,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4638fa9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:19, skipping insertion in model container [2021-10-20 05:15:19,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:19,531 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:15:19,534 INFO L168 Benchmark]: Toolchain (without parser) took 387.87 ms. Allocated memory is still 134.2 MB. Free memory was 98.2 MB in the beginning and 105.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:19,535 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 43.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:15:19,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.44 ms. Allocated memory is still 134.2 MB. Free memory was 97.9 MB in the beginning and 105.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:19,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 43.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.44 ms. Allocated memory is still 134.2 MB. Free memory was 97.9 MB in the beginning and 105.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:15:21,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:15:21,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:15:21,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:15:21,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:15:21,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:15:21,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:15:21,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:15:21,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:15:21,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:15:21,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:15:21,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:15:21,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:15:21,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:15:21,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:15:21,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:15:21,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:15:21,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:15:21,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:15:21,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:15:21,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:15:21,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:15:21,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:15:21,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:15:21,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:15:21,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:15:21,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:15:21,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:15:21,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:15:21,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:15:21,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:15:21,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:15:21,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:15:21,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:15:21,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:15:21,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:15:21,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:15:21,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:15:21,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:15:21,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:15:21,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:15:21,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-20 05:15:22,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:15:22,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:15:22,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:15:22,023 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:15:22,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:15:22,024 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:15:22,024 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:15:22,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:15:22,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:15:22,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 05:15:22,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 05:15:22,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:15:22,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:15:22,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:15:22,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:15:22,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:15:22,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:15:22,035 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-20 05:15:22,035 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-20 05:15:22,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:15:22,036 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:15:22,036 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:15:22,036 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:15:22,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:15:22,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:15:22,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:15:22,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:15:22,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:15:22,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:15:22,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:15:22,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:15:22,039 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:15:22,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:15:22,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:15:22,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:15:22,040 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_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-20 05:15:22,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:15:22,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:15:22,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:15:22,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:15:22,516 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:15:22,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-20 05:15:22,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/6c66dc696/c52b1ecae9bb4fb8a6cafd6dc10ed9d4/FLAG57d8e5b79 [2021-10-20 05:15:23,204 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:15:23,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-20 05:15:23,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/6c66dc696/c52b1ecae9bb4fb8a6cafd6dc10ed9d4/FLAG57d8e5b79 [2021-10-20 05:15:23,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08a424cb-3be9-40ea-81fb-240c8b9a4345/bin/utaipan-tZwUujhuQw/data/6c66dc696/c52b1ecae9bb4fb8a6cafd6dc10ed9d4 [2021-10-20 05:15:23,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:15:23,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:15:23,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:23,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:15:23,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:15:23,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:23" (1/1) ... [2021-10-20 05:15:23,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664b260b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:23, skipping insertion in model container [2021-10-20 05:15:23,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:15:23" (1/1) ... [2021-10-20 05:15:23,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:15:23,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:15:23,895 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-20 05:15:23,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ffc3fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:15:23, skipping insertion in model container [2021-10-20 05:15:23,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:15:23,896 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:15:23,899 INFO L168 Benchmark]: Toolchain (without parser) took 419.21 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 48.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:23,900 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:15:23,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.70 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 48.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:15:23,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 65.0 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.70 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 48.2 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 566]: Unsupported Syntax Unsupported function: _Exit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...