./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8 --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:16:21,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:16:21,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:16:21,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:16:21,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:16:21,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:16:21,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:16:21,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:16:21,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:16:21,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:16:21,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:16:21,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:16:21,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:16:21,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:16:21,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:16:21,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:16:21,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:16:21,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:16:21,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:16:21,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:16:21,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:16:21,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:16:21,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:16:21,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:16:21,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:16:21,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:16:21,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:16:21,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:16:21,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:16:21,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:16:21,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:16:21,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:16:21,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:16:21,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:16:21,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:16:21,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:16:21,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:16:21,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:16:21,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:16:21,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:16:21,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:16:21,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:16:21,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:16:21,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:16:21,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:16:21,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:16:21,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:16:21,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:16:21,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:16:21,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:16:21,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:16:21,491 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:16:21,491 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:16:21,496 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:16:21,496 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:16:21,497 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:16:21,497 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:16:21,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:16:21,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:16:21,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:16:21,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:16:21,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:16:21,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:16:21,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:16:21,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:16:21,500 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:16:21,501 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:16:21,501 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:16:21,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:16:21,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:16:21,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:16:21,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:16:21,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:16:21,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:16:21,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:21,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:16:21,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:16:21,505 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:16:21,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:16:21,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:16:21,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:16:21,507 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_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-07 01:16:21,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:16:21,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:16:21,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:16:21,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:16:21,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:16:21,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-07 01:16:21,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/98c701501/62651a55ccce4c88b5bd100e5d6e5c40/FLAG235df1935 [2021-11-07 01:16:22,535 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:16:22,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-07 01:16:22,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/98c701501/62651a55ccce4c88b5bd100e5d6e5c40/FLAG235df1935 [2021-11-07 01:16:22,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/98c701501/62651a55ccce4c88b5bd100e5d6e5c40 [2021-11-07 01:16:22,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:16:22,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:16:22,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:22,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:16:22,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:16:22,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:22" (1/1) ... [2021-11-07 01:16:22,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2727c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:22, skipping insertion in model container [2021-11-07 01:16:22,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:22" (1/1) ... [2021-11-07 01:16:22,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:16:22,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:23,340 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-07 01:16:23,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c6bf6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:23, skipping insertion in model container [2021-11-07 01:16:23,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:23,342 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:16:23,345 INFO L168 Benchmark]: Toolchain (without parser) took 517.44 ms. Allocated memory is still 111.1 MB. Free memory was 72.1 MB in the beginning and 84.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:23,347 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 89.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:16:23,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.85 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 84.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:23,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 111.1 MB. Free memory is still 89.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.85 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 84.2 MB in the end (delta: -12.3 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... --- 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_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8 --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:16:25,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:16:25,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:16:25,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:16:25,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:16:25,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:16:25,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:16:25,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:16:25,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:16:25,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:16:25,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:16:25,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:16:25,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:16:25,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:16:25,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:16:25,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:16:25,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:16:25,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:16:25,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:16:25,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:16:25,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:16:25,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:16:25,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:16:25,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:16:25,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:16:25,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:16:25,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:16:25,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:16:25,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:16:25,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:16:25,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:16:25,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:16:25,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:16:25,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:16:25,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:16:25,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:16:25,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:16:25,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:16:25,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:16:25,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:16:25,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:16:25,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:16:25,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:16:25,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:16:25,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:16:25,855 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:16:25,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:16:25,855 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:16:25,855 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:16:25,855 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:16:25,856 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:16:25,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:16:25,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:16:25,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:16:25,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:16:25,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:16:25,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:16:25,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:16:25,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:16:25,860 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:16:25,860 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:16:25,860 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:16:25,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:16:25,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:16:25,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:16:25,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:16:25,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:16:25,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:16:25,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:16:25,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:16:25,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:16:25,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:25,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:16:25,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:16:25,863 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:16:25,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:16:25,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:16:25,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:16:25,864 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_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-07 01:16:26,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:16:26,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:16:26,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:16:26,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:16:26,380 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:16:26,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-07 01:16:26,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/aa6f039e5/102afbef848f4629b9319e4134fa9a8b/FLAG1b0c5d6a5 [2021-11-07 01:16:27,201 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:16:27,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-07 01:16:27,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/aa6f039e5/102afbef848f4629b9319e4134fa9a8b/FLAG1b0c5d6a5 [2021-11-07 01:16:27,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d76c5bf-a53a-4ce8-9fc2-1a4924067c70/bin/utaipan-UUZaoUuFF8/data/aa6f039e5/102afbef848f4629b9319e4134fa9a8b [2021-11-07 01:16:27,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:16:27,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:16:27,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:27,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:16:27,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:16:27,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:27" (1/1) ... [2021-11-07 01:16:27,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a162c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:27, skipping insertion in model container [2021-11-07 01:16:27,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:27" (1/1) ... [2021-11-07 01:16:27,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:16:27,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:27,907 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-07 01:16:27,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@545e4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:27, skipping insertion in model container [2021-11-07 01:16:27,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:27,910 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:16:27,914 INFO L168 Benchmark]: Toolchain (without parser) took 446.63 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 47.8 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:27,916 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:16:27,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.27 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 47.8 MB in the end (delta: -4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:27,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 46.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.27 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 47.8 MB in the end (delta: -4.5 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN