./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG --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_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG --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-b2eff8b [2021-10-29 05:06:01,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:06:01,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:06:02,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:06:02,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:06:02,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:06:02,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:06:02,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:06:02,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:06:02,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:06:02,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:06:02,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:06:02,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:06:02,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:06:02,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:06:02,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:06:02,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:06:02,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:06:02,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:06:02,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:06:02,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:06:02,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:06:02,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:06:02,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:06:02,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:06:02,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:06:02,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:06:02,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:06:02,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:06:02,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:06:02,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:06:02,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:06:02,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:06:02,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:06:02,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:06:02,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:06:02,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:06:02,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:06:02,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:06:02,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:06:02,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:06:02,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-29 05:06:02,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:06:02,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:06:02,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:06:02,184 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:06:02,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:06:02,185 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:06:02,185 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:06:02,185 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:06:02,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:06:02,186 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:06:02,187 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:06:02,187 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:06:02,187 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:06:02,188 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:06:02,188 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:06:02,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:06:02,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:06:02,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:06:02,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:06:02,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:06:02,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:06:02,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:06:02,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:06:02,190 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:06:02,191 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:06:02,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:06:02,191 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:06:02,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:06:02,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:06:02,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:06:02,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:06:02,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:06:02,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:06:02,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:06:02,193 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:06:02,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:06:02,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:06:02,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:06:02,194 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_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-29 05:06:02,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:06:02,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:06:02,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:06:02,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:06:02,485 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:06:02,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-29 05:06:02,572 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/0ee6b96c3/1741f91939644485806f4c892b74e30b/FLAG67b7a96d0 [2021-10-29 05:06:03,073 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:06:03,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-29 05:06:03,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/0ee6b96c3/1741f91939644485806f4c892b74e30b/FLAG67b7a96d0 [2021-10-29 05:06:03,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/0ee6b96c3/1741f91939644485806f4c892b74e30b [2021-10-29 05:06:03,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:06:03,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:06:03,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:06:03,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:06:03,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:06:03,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:06:03" (1/1) ... [2021-10-29 05:06:03,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469b1044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:06:03, skipping insertion in model container [2021-10-29 05:06:03,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:06:03" (1/1) ... [2021-10-29 05:06:03,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:06:03,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:06:03,716 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-29 05:06:03,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a557b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:06:03, skipping insertion in model container [2021-10-29 05:06:03,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:06:03,717 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:06:03,720 INFO L168 Benchmark]: Toolchain (without parser) took 330.28 ms. Allocated memory is still 130.0 MB. Free memory was 94.4 MB in the beginning and 105.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:06:03,721 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 67.1 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:06:03,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.85 ms. Allocated memory is still 130.0 MB. Free memory was 94.4 MB in the beginning and 105.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:06:03,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 67.1 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 327.85 ms. Allocated memory is still 130.0 MB. Free memory was 94.4 MB in the beginning and 105.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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-b2eff8b [2021-10-29 05:06:05,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:06:05,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:06:05,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:06:05,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:06:05,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:06:05,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:06:05,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:06:05,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:06:05,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:06:05,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:06:05,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:06:05,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:06:05,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:06:05,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:06:05,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:06:05,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:06:05,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:06:05,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:06:05,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:06:05,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:06:05,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:06:05,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:06:05,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:06:05,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:06:05,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:06:05,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:06:05,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:06:05,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:06:05,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:06:05,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:06:05,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:06:06,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:06:06,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:06:06,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:06:06,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:06:06,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:06:06,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:06:06,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:06:06,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:06:06,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:06:06,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-29 05:06:06,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:06:06,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:06:06,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:06:06,045 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:06:06,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:06:06,045 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:06:06,046 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:06:06,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:06:06,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:06:06,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:06:06,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:06:06,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:06:06,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:06:06,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:06:06,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:06:06,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:06:06,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:06:06,049 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:06:06,049 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:06:06,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:06:06,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:06:06,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:06:06,050 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:06:06,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:06:06,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:06:06,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:06:06,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:06:06,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:06:06,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:06:06,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:06:06,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:06:06,053 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:06:06,053 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:06:06,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:06:06,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:06:06,054 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_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-10-29 05:06:06,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:06:06,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:06:06,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:06:06,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:06:06,473 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:06:06,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-29 05:06:06,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/75850f0c1/af4244edab3244f2b3351cbfa15f98a2/FLAG2bc300c41 [2021-10-29 05:06:07,154 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:06:07,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-10-29 05:06:07,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/75850f0c1/af4244edab3244f2b3351cbfa15f98a2/FLAG2bc300c41 [2021-10-29 05:06:07,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9116bab6-a048-444f-a64d-3952b61f7763/bin/utaipan-SDwSMHVbGG/data/75850f0c1/af4244edab3244f2b3351cbfa15f98a2 [2021-10-29 05:06:07,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:06:07,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:06:07,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:06:07,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:06:07,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:06:07,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:06:07" (1/1) ... [2021-10-29 05:06:07,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d81934c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:06:07, skipping insertion in model container [2021-10-29 05:06:07,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:06:07" (1/1) ... [2021-10-29 05:06:07,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:06:07,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:06:07,807 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-10-29 05:06:07,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@409e0f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:06:07, skipping insertion in model container [2021-10-29 05:06:07,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:06:07,811 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:06:07,814 INFO L168 Benchmark]: Toolchain (without parser) took 351.38 ms. Allocated memory is still 56.6 MB. Free memory was 34.4 MB in the beginning and 39.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:06:07,815 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:06:07,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.61 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 39.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:06:07,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.61 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 39.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 13.9 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...