./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 ............................................................................................................................................ 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_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 ......................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:01:31,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:01:31,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:01:31,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:01:31,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:01:31,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:01:31,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:01:31,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:01:31,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:01:31,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:01:31,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:01:31,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:01:31,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:01:31,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:01:31,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:01:31,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:01:31,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:01:31,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:01:31,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:01:31,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:01:31,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:01:31,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:01:31,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:01:31,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:01:31,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:01:31,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:01:31,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:01:31,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:01:31,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:01:31,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:01:31,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:01:31,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:01:31,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:01:31,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:01:31,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:01:31,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:01:31,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:01:31,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:01:31,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:01:31,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:01:31,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:01:31,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-16 02:01:31,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:01:31,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:01:31,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:01:31,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:01:31,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:01:31,714 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:01:31,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:01:31,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:01:31,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:01:31,715 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:01:31,715 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:01:31,716 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:01:31,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:01:31,716 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:01:31,717 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:01:31,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:01:31,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:01:31,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:01:31,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:01:31,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:01:31,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:01:31,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:01:31,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:01:31,719 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:01:31,720 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:01:31,720 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:01:31,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:01:31,720 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:01:31,721 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:01:31,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:01:31,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:01:31,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:01:31,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:01:31,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:01:31,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:01:31,722 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:01:31,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:01:31,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:01:31,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:01:31,723 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_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-16 02:01:32,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:01:32,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:01:32,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:01:32,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:01:32,043 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:01:32,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-16 02:01:32,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/0b24447a1/7cb014f82ea647eeaf0c13baf1f5a674/FLAGbd52ef99c [2021-10-16 02:01:32,789 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:01:32,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-16 02:01:32,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/0b24447a1/7cb014f82ea647eeaf0c13baf1f5a674/FLAGbd52ef99c [2021-10-16 02:01:33,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/0b24447a1/7cb014f82ea647eeaf0c13baf1f5a674 [2021-10-16 02:01:33,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:01:33,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:01:33,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:33,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:01:33,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:01:33,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:33" (1/1) ... [2021-10-16 02:01:33,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1c7974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:33, skipping insertion in model container [2021-10-16 02:01:33,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:33" (1/1) ... [2021-10-16 02:01:33,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:01:33,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:01:33,498 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-16 02:01:33,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a8ae4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:33, skipping insertion in model container [2021-10-16 02:01:33,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:33,500 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:01:33,502 INFO L168 Benchmark]: Toolchain (without parser) took 438.00 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 82.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:33,503 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:01:33,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.89 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 82.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:33,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.89 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 82.7 MB in the end (delta: -7.4 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: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:01:35,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:01:35,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:01:36,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:01:36,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:01:36,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:01:36,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:01:36,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:01:36,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:01:36,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:01:36,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:01:36,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:01:36,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:01:36,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:01:36,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:01:36,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:01:36,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:01:36,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:01:36,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:01:36,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:01:36,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:01:36,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:01:36,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:01:36,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:01:36,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:01:36,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:01:36,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:01:36,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:01:36,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:01:36,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:01:36,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:01:36,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:01:36,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:01:36,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:01:36,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:01:36,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:01:36,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:01:36,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:01:36,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:01:36,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:01:36,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:01:36,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-16 02:01:36,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:01:36,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:01:36,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:01:36,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:01:36,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:01:36,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:01:36,146 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:01:36,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:01:36,147 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:01:36,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:01:36,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:01:36,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:01:36,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:01:36,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:01:36,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:01:36,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:01:36,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:01:36,152 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:01:36,152 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:01:36,152 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:01:36,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:01:36,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:01:36,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:01:36,154 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:01:36,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:01:36,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:01:36,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:01:36,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:01:36,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:01:36,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:01:36,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:01:36,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:01:36,156 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:01:36,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:01:36,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:01:36,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:01:36,157 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_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-16 02:01:36,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:01:36,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:01:36,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:01:36,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:01:36,591 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:01:36,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-16 02:01:36,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/86eaa103a/eb973cd30aba43538b1bbadf998910e0/FLAGe0c79d403 [2021-10-16 02:01:37,406 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:01:37,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-16 02:01:37,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/86eaa103a/eb973cd30aba43538b1bbadf998910e0/FLAGe0c79d403 [2021-10-16 02:01:37,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31449943-9232-4fca-a5b1-17d3c79b8b31/bin/utaipan-mTDlp9Zugs/data/86eaa103a/eb973cd30aba43538b1bbadf998910e0 [2021-10-16 02:01:37,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:01:37,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:01:37,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:37,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:01:37,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:01:37,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:37" (1/1) ... [2021-10-16 02:01:37,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b164344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:37, skipping insertion in model container [2021-10-16 02:01:37,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:37" (1/1) ... [2021-10-16 02:01:37,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:01:37,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:01:38,077 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-16 02:01:38,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e931f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:38, skipping insertion in model container [2021-10-16 02:01:38,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:01:38,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:01:38,080 INFO L168 Benchmark]: Toolchain (without parser) took 411.93 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 43.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:38,081 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:01:38,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.10 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 43.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:01:38,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.10 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 43.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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...