./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl --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 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:51,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:51,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:51,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:51,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:51,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:51,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:51,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:51,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:51,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:51,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:51,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:51,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:51,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:51,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:51,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:51,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:51,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:51,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:51,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:51,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:51,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:51,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:51,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:51,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:51,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:51,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:51,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:51,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:51,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:51,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:51,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:51,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:51,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:51,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:51,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:51,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:51,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:51,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:51,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:51,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:51,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-23 16:44:51,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:51,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:51,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:51,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:51,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:51,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:51,452 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:51,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:51,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:51,452 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:51,453 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:51,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:51,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:51,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:51,454 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:51,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:51,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:51,454 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:51,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:44:51,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:44:51,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:51,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:51,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:44:51,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:51,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:51,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:51,457 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:44:51,457 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:44:51,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:51,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:51,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:51,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:51,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:51,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:51,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:51,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:51,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:51,460 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:51,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:51,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:51,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:51,461 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_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-11-23 16:44:51,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:51,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:51,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:51,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:51,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:51,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-23 16:44:51,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/716ecd8e4/f49f9dcdcfdb46c1a40e37ef202c7a9c/FLAGdbf57ac54 [2021-11-23 16:44:52,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:52,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-23 16:44:52,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/716ecd8e4/f49f9dcdcfdb46c1a40e37ef202c7a9c/FLAGdbf57ac54 [2021-11-23 16:44:52,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/716ecd8e4/f49f9dcdcfdb46c1a40e37ef202c7a9c [2021-11-23 16:44:52,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:52,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:52,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:52,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:52,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:52,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0f68e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:52, skipping insertion in model container [2021-11-23 16:44:52,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:52" (1/1) ... [2021-11-23 16:44:52,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:52,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:53,103 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-11-23 16:44:53,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2458741a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53, skipping insertion in model container [2021-11-23 16:44:53,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:53,105 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:44:53,108 INFO L158 Benchmark]: Toolchain (without parser) took 400.18ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.3MB in the beginning and 86.6MB in the end (delta: -32.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,109 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:53,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.79ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 86.6MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:44:53,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.79ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.0MB in the beginning and 86.6MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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... --- 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_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl --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 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:55,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:55,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:55,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:55,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:55,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:55,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:55,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:55,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:55,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:55,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:55,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:55,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:55,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:55,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:55,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:55,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:55,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:55,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:55,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:55,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:55,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:55,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:55,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:55,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:55,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:55,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:55,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:55,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:55,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:55,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:55,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:55,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:55,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:55,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:55,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:55,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:55,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:55,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:55,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:55,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:55,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-23 16:44:55,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:55,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:55,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:55,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:55,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:55,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:55,595 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:55,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:55,595 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:55,596 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:55,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:55,597 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:55,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:44:55,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:44:55,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:55,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:44:55,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:44:55,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:55,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:44:55,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:55,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:44:55,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:44:55,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:55,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:55,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:55,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:55,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:44:55,602 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:55,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:55,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:55,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:55,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:55,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:55,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:55,604 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:55,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:55,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:55,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:55,606 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_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745a3dcabf233c931d88028a0f99b472f3955539f612e882536d3db76f41cba6 [2021-11-23 16:44:56,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:56,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:56,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:56,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:56,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:56,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-23 16:44:56,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/310f46cf6/506996a5e7134c428a30a194cd0e8b6f/FLAGca5190677 [2021-11-23 16:44:56,765 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:56,768 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/sv-benchmarks/c/memsafety/global-atexit-1.i [2021-11-23 16:44:56,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/310f46cf6/506996a5e7134c428a30a194cd0e8b6f/FLAGca5190677 [2021-11-23 16:44:57,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bff432-ad8c-408a-80e5-048912f1cc23/bin/utaipan-fb15Y9Yzbl/data/310f46cf6/506996a5e7134c428a30a194cd0e8b6f [2021-11-23 16:44:57,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:57,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:57,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:57,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:57,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:57,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326ba419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57, skipping insertion in model container [2021-11-23 16:44:57,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:57" (1/1) ... [2021-11-23 16:44:57,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:57,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:57,477 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: _Exit [2021-11-23 16:44:57,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49d1a1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:57, skipping insertion in model container [2021-11-23 16:44:57,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:57,479 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:44:57,481 INFO L158 Benchmark]: Toolchain (without parser) took 439.45ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 56.6MB in the end (delta: -20.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:44:57,483 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:57,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.74ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 56.6MB in the end (delta: -21.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:44:57,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.74ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.6MB in the beginning and 56.6MB in the end (delta: -21.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN