./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8 --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_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8 --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-4e77c04 [2021-10-13 07:16:31,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:16:31,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:16:31,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:16:31,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:16:31,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:16:31,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:16:31,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:16:31,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:16:31,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:16:31,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:16:31,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:16:31,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:16:31,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:16:31,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:16:31,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:16:31,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:16:31,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:16:31,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:16:31,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:16:31,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:16:31,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:16:31,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:16:31,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:16:31,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:16:31,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:16:31,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:16:31,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:16:31,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:16:31,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:16:31,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:16:31,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:16:31,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:16:31,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:16:31,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:16:31,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:16:31,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:16:31,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:16:31,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:16:31,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:16:31,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:16:31,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-13 07:16:31,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:16:31,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:16:31,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:16:31,814 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:16:31,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:16:31,815 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:16:31,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:16:31,815 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:16:31,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:16:31,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:16:31,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:16:31,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:16:31,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:16:31,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:16:31,818 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:16:31,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:16:31,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:16:31,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:16:31,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:16:31,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:16:31,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:16:31,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:16:31,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:16:31,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:16:31,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:16:31,822 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:16:31,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:16:31,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:16:31,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:16:31,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:16:31,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:16:31,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:16:31,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:31,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:16:31,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:16:31,825 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:16:31,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:16:31,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:16:31,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:16:31,826 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_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-13 07:16:32,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:32,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:32,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:32,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:32,097 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:32,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 07:16:32,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/8291a48c0/9ece26069af64065bcaba2cd8279bdf5/FLAGa85421cc3 [2021-10-13 07:16:32,716 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:32,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 07:16:32,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/8291a48c0/9ece26069af64065bcaba2cd8279bdf5/FLAGa85421cc3 [2021-10-13 07:16:33,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/8291a48c0/9ece26069af64065bcaba2cd8279bdf5 [2021-10-13 07:16:33,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:33,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:33,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:33,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:33,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:33,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:33" (1/1) ... [2021-10-13 07:16:33,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d18d676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:33, skipping insertion in model container [2021-10-13 07:16:33,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:33" (1/1) ... [2021-10-13 07:16:33,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:33,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:33,350 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 07:16:33,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ccaf896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:33, skipping insertion in model container [2021-10-13 07:16:33,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:33,351 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:16:33,353 INFO L168 Benchmark]: Toolchain (without parser) took 310.89 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 80.3 MB in the beginning and 121.5 MB in the end (delta: -41.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:33,354 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:16:33,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.52 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 80.0 MB in the beginning and 121.5 MB in the end (delta: -41.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:33,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 111.1 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.52 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 80.0 MB in the beginning and 121.5 MB in the end (delta: -41.6 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-4e77c04 [2021-10-13 07:16:35,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:16:35,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:16:35,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:16:35,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:16:35,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:16:35,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:16:35,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:16:35,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:16:35,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:16:35,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:16:35,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:16:35,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:16:35,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:16:35,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:16:35,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:16:35,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:16:35,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:16:35,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:16:35,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:16:35,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:16:35,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:16:35,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:16:35,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:16:35,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:16:35,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:16:35,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:16:35,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:16:35,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:16:35,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:16:35,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:16:35,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:16:35,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:16:35,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:16:35,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:16:35,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:16:35,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:16:35,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:16:35,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:16:35,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:16:35,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:16:35,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-13 07:16:35,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:16:35,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:16:35,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:16:35,668 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:16:35,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:16:35,668 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:16:35,669 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:16:35,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:16:35,669 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:16:35,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:16:35,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:16:35,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:16:35,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:16:35,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:16:35,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:16:35,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:16:35,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:16:35,671 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:16:35,671 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:16:35,672 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:16:35,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:16:35,672 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:16:35,672 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:16:35,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:16:35,673 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:16:35,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:16:35,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:16:35,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:16:35,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:16:35,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:16:35,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:16:35,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:16:35,674 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:16:35,674 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:16:35,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:16:35,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:16:35,675 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_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2021-10-13 07:16:36,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:16:36,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:16:36,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:16:36,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:16:36,056 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:16:36,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 07:16:36,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/d5070adfa/eeeff8dfe9794c4ab00362c7dafdca62/FLAGfc353c3b1 [2021-10-13 07:16:36,635 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:16:36,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-10-13 07:16:36,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/d5070adfa/eeeff8dfe9794c4ab00362c7dafdca62/FLAGfc353c3b1 [2021-10-13 07:16:36,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6180c1fc-245e-41f0-ba7b-57d69a278a8b/bin/utaipan-q2qaUkNPG8/data/d5070adfa/eeeff8dfe9794c4ab00362c7dafdca62 [2021-10-13 07:16:36,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:16:36,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:16:36,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:36,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:16:36,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:16:36,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:36" (1/1) ... [2021-10-13 07:16:36,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c220b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:36, skipping insertion in model container [2021-10-13 07:16:36,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:16:36" (1/1) ... [2021-10-13 07:16:37,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:16:37,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:16:37,440 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-13 07:16:37,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6419adf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:16:37, skipping insertion in model container [2021-10-13 07:16:37,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:16:37,444 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:16:37,447 INFO L168 Benchmark]: Toolchain (without parser) took 462.13 ms. Allocated memory is still 83.9 MB. Free memory was 47.9 MB in the beginning and 67.1 MB in the end (delta: -19.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:37,449 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 65.3 MB in the beginning and 65.2 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:16:37,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.18 ms. Allocated memory is still 83.9 MB. Free memory was 47.7 MB in the beginning and 67.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:16:37,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 65.3 MB in the beginning and 65.2 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.18 ms. Allocated memory is still 83.9 MB. Free memory was 47.7 MB in the beginning and 67.1 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.5 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...