./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:13:59,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:13:59,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:13:59,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:13:59,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:13:59,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:13:59,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:13:59,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:13:59,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:13:59,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:13:59,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:13:59,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:13:59,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:13:59,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:13:59,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:13:59,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:13:59,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:13:59,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:13:59,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:13:59,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:13:59,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:13:59,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:13:59,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:13:59,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:13:59,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:13:59,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:13:59,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:13:59,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:13:59,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:13:59,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:13:59,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:13:59,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:13:59,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:13:59,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:13:59,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:13:59,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:13:59,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:13:59,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:13:59,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:13:59,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:13:59,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:13:59,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-19 14:13:59,790 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:13:59,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:13:59,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:13:59,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:13:59,792 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:13:59,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:13:59,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:13:59,792 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:13:59,793 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:13:59,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:13:59,793 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:13:59,793 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:13:59,794 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:13:59,794 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:13:59,794 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:13:59,794 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:13:59,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:13:59,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:13:59,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:13:59,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:13:59,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:13:59,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:13:59,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:13:59,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:13:59,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:13:59,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:13:59,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:13:59,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:13:59,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:13:59,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:13:59,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:13:59,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:13:59,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:13:59,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:13:59,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:13:59,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:13:59,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:13:59,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:13:59,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:13:59,801 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_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-19 14:14:00,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:14:00,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:14:00,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:14:00,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:14:00,065 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:14:00,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-19 14:14:00,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/00fd6435b/55f9a4c774cd429890cf8e2c5ed43fa9/FLAGf14ef5aa6 [2021-11-19 14:14:00,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:14:00,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-19 14:14:00,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/00fd6435b/55f9a4c774cd429890cf8e2c5ed43fa9/FLAGf14ef5aa6 [2021-11-19 14:14:00,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/00fd6435b/55f9a4c774cd429890cf8e2c5ed43fa9 [2021-11-19 14:14:01,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:14:01,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:14:01,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:01,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:14:01,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:14:01,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:00" (1/1) ... [2021-11-19 14:14:01,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6a3367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:01, skipping insertion in model container [2021-11-19 14:14:01,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:00" (1/1) ... [2021-11-19 14:14:01,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:14:01,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:01,418 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-19 14:14:01,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74e63ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:01, skipping insertion in model container [2021-11-19 14:14:01,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:01,420 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:14:01,423 INFO L158 Benchmark]: Toolchain (without parser) took 420.12ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.1MB in the beginning and 92.2MB in the end (delta: -27.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:14:01,425 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:14:01,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.92ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 92.2MB in the end (delta: -27.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:14:01,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.92ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 92.2MB in the end (delta: -27.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:14:03,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:14:03,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:14:03,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:14:03,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:14:03,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:14:03,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:14:03,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:14:03,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:14:03,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:14:03,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:14:03,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:14:03,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:14:03,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:14:03,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:14:03,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:14:03,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:14:03,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:14:03,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:14:03,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:14:03,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:14:03,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:14:03,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:14:03,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:14:03,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:14:03,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:14:03,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:14:03,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:14:03,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:14:03,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:14:03,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:14:03,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:14:03,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:14:03,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:14:03,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:14:03,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:14:03,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:14:03,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:14:03,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:14:03,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:14:03,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:14:03,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-11-19 14:14:03,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:14:03,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:14:03,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:14:03,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:14:03,877 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:14:03,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:14:03,878 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:14:03,878 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:14:03,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:14:03,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:14:03,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 14:14:03,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 14:14:03,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:14:03,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:14:03,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:14:03,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:14:03,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:14:03,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:14:03,883 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 14:14:03,884 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 14:14:03,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:14:03,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:14:03,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:14:03,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:14:03,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:14:03,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:14:03,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:14:03,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:14:03,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:14:03,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:14:03,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:14:03,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:14:03,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:14:03,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:14:03,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:14:03,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:14:03,889 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_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-11-19 14:14:04,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:14:04,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:14:04,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:14:04,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:14:04,261 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:14:04,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-11-19 14:14:04,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/f0e0ac22e/6f646ea418e048cc9cb160f4fce1bded/FLAG059ea3724 [2021-11-19 14:14:04,990 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:14:04,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/sv-benchmarks/c/memsafety/global-atexit.i [2021-11-19 14:14:05,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/f0e0ac22e/6f646ea418e048cc9cb160f4fce1bded/FLAG059ea3724 [2021-11-19 14:14:05,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99937b95-fe85-4caf-a7af-6622391d9948/bin/utaipan-UbGMyvGFUs/data/f0e0ac22e/6f646ea418e048cc9cb160f4fce1bded [2021-11-19 14:14:05,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:14:05,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:14:05,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:05,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:14:05,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:14:05,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:05" (1/1) ... [2021-11-19 14:14:05,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f7039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:05, skipping insertion in model container [2021-11-19 14:14:05,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:05" (1/1) ... [2021-11-19 14:14:05,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:14:05,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:05,721 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-19 14:14:05,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@671f4b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:05, skipping insertion in model container [2021-11-19 14:14:05,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:05,725 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:14:05,727 INFO L158 Benchmark]: Toolchain (without parser) took 426.92ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.3MB in the end (delta: 389.0kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:14:05,729 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:14:05,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.01ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 54.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:14:05,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.01ms. Allocated memory is still 58.7MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 54.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN