./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:00,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:00,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:00,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:00,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:00,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:00,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:00,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:00,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:00,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:00,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:00,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:00,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:00,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:00,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:00,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:00,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:00,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:00,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:00,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:00,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:00,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:00,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:00,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:00,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:00,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:00,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:00,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:00,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:00,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:00,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:00,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:00,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:00,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:00,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:00,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:00,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:00,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:00,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:00,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:00,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:00,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 16:47:00,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:00,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:00,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:00,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:00,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:00,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:00,628 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:00,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:00,629 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:00,629 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:00,629 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:00,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:00,630 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:00,630 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:00,630 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:00,630 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:00,631 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:00,631 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:00,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:47:00,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:47:00,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:00,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:00,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:47:00,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:00,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:00,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:00,634 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:47:00,634 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:47:00,634 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:47:00,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:00,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:00,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:00,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:00,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:00,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:00,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:00,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:00,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:00,636 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:00,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:00,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:00,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:00,637 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_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-23 16:47:00,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:01,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:01,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:01,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:01,027 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:01,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 16:47:01,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/f2982c36b/966f694014934ca1a46f1ab6fefa3284/FLAGdbab11403 [2021-11-23 16:47:01,752 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:01,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 16:47:01,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/f2982c36b/966f694014934ca1a46f1ab6fefa3284/FLAGdbab11403 [2021-11-23 16:47:02,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/f2982c36b/966f694014934ca1a46f1ab6fefa3284 [2021-11-23 16:47:02,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:02,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:02,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:02,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:02,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:02,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:02" (1/1) ... [2021-11-23 16:47:02,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d272757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:02, skipping insertion in model container [2021-11-23 16:47:02,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:02" (1/1) ... [2021-11-23 16:47:02,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:02,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:02,498 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 16:47:02,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12133bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:02, skipping insertion in model container [2021-11-23 16:47:02,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:02,500 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:47:02,503 INFO L158 Benchmark]: Toolchain (without parser) took 474.56ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.0MB in the beginning and 97.8MB in the end (delta: -45.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:02,504 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:02,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.77ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 97.8MB in the end (delta: -46.0MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:02,508 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 92.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.77ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 97.8MB in the end (delta: -46.0MB). Peak memory consumption was 6.4MB. 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_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:04,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:04,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:05,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:05,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:05,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:05,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:05,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:05,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:05,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:05,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:05,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:05,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:05,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:05,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:05,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:05,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:05,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:05,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:05,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:05,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:05,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:05,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:05,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:05,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:05,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:05,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:05,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:05,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:05,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:05,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:05,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:05,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:05,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:05,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:05,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:05,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:05,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:05,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:05,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:05,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:05,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:05,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:05,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:05,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:05,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:05,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:05,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:05,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:05,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:05,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:05,147 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:05,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:05,148 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:05,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:47:05,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:47:05,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:05,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:05,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:47:05,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:05,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:05,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:05,152 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:47:05,152 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:47:05,152 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:47:05,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:05,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:05,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:05,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:05,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:05,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:05,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:05,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:05,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:05,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:05,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:05,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:05,156 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:05,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:05,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:05,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:05,157 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_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-23 16:47:05,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:05,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:05,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:05,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:05,578 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:05,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 16:47:05,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/75baa15f7/880cdb07070249cb92fd81da76fbb8d7/FLAG0cd3c38b8 [2021-11-23 16:47:06,298 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:06,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-23 16:47:06,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/75baa15f7/880cdb07070249cb92fd81da76fbb8d7/FLAG0cd3c38b8 [2021-11-23 16:47:06,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e609b-bc15-429d-b0e7-fc298e6d9909/bin/utaipan-fb15Y9Yzbl/data/75baa15f7/880cdb07070249cb92fd81da76fbb8d7 [2021-11-23 16:47:06,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:06,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:06,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:06,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:06,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:06,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:06" (1/1) ... [2021-11-23 16:47:06,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c27f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:06, skipping insertion in model container [2021-11-23 16:47:06,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:06" (1/1) ... [2021-11-23 16:47:06,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:06,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:07,019 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 16:47:07,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33ae670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:07, skipping insertion in model container [2021-11-23 16:47:07,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:07,021 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 16:47:07,023 INFO L158 Benchmark]: Toolchain (without parser) took 438.15ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.3MB in the beginning and 47.4MB in the end (delta: -22.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:07,025 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:07,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.15ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.0MB in the beginning and 47.4MB in the end (delta: -22.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:07,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.15ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.0MB in the beginning and 47.4MB in the end (delta: -22.3MB). Peak memory consumption was 3.4MB. 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