./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:19:18,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:19:18,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:19:18,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:19:18,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:19:18,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:19:18,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:19:18,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:19:18,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:19:18,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:19:18,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:19:18,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:19:18,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:19:18,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:19:18,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:19:18,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:19:18,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:19:18,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:19:18,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:19:18,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:19:18,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:19:18,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:19:18,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:19:18,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:19:18,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:19:18,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:19:18,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:19:18,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:19:18,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:19:18,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:19:18,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:19:18,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:19:18,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:19:18,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:19:18,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:19:18,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:19:18,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:19:18,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:19:18,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:19:18,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:19:18,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:19:18,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-25 19:19:18,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:19:18,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:19:18,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:19:18,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:19:18,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:19:18,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:19:18,835 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:19:18,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:19:18,836 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:19:18,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:19:18,837 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:19:18,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:19:18,838 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:19:18,839 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:19:18,839 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:19:18,839 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:19:18,840 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:19:18,840 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:19:18,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:19:18,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:19:18,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:19:18,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:19:18,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:19:18,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:19:18,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:19:18,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:19:18,846 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:19:18,847 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:19:18,847 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:19:18,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:19:18,848 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:19:18,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:19:18,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:19:18,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:19:18,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:19:18,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:19:18,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:19:18,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:19:18,851 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:19:18,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:19:18,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:19:18,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:19:18,853 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_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-25 19:19:19,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:19:19,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:19:19,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:19:19,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:19:19,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:19:19,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-25 19:19:19,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/ae63c7a1c/85d09b6e3b904de0824e8e99cdb16538/FLAG4e24975a7 [2021-11-25 19:19:19,958 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:19:19,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-25 19:19:19,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/ae63c7a1c/85d09b6e3b904de0824e8e99cdb16538/FLAG4e24975a7 [2021-11-25 19:19:20,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/ae63c7a1c/85d09b6e3b904de0824e8e99cdb16538 [2021-11-25 19:19:20,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:19:20,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:19:20,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:19:20,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:19:20,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:19:20,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:19:20" (1/1) ... [2021-11-25 19:19:20,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ae04d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:19:20, skipping insertion in model container [2021-11-25 19:19:20,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:19:20" (1/1) ... [2021-11-25 19:19:20,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:19:20,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:19:20,700 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-25 19:19:20,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@611fc74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:19:20, skipping insertion in model container [2021-11-25 19:19:20,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:19:20,701 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:19:20,704 INFO L158 Benchmark]: Toolchain (without parser) took 433.72ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 75.0MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:19:20,705 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:19:20,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.94ms. Allocated memory is still 100.7MB. Free memory was 67.9MB in the beginning and 75.0MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 19:19:20,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.94ms. Allocated memory is still 100.7MB. Free memory was 67.9MB in the beginning and 75.0MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. 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_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:19:23,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:19:23,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:19:23,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:19:23,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:19:23,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:19:23,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:19:23,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:19:23,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:19:23,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:19:23,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:19:23,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:19:23,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:19:23,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:19:23,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:19:23,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:19:23,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:19:23,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:19:23,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:19:23,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:19:23,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:19:23,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:19:23,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:19:23,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:19:23,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:19:23,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:19:23,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:19:23,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:19:23,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:19:23,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:19:23,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:19:23,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:19:23,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:19:23,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:19:23,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:19:23,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:19:23,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:19:23,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:19:23,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:19:23,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:19:23,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:19:23,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-25 19:19:23,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:19:23,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:19:23,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:19:23,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:19:23,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:19:23,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:19:23,449 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:19:23,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:19:23,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:19:23,451 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:19:23,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:19:23,451 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:19:23,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:19:23,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:19:23,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:19:23,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:19:23,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:19:23,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:19:23,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:19:23,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:19:23,461 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:19:23,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:19:23,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:19:23,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:19:23,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:19:23,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:19:23,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:19:23,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:19:23,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:19:23,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:19:23,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:19:23,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:19:23,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:19:23,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:19:23,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:19:23,465 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:19:23,467 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:19:23,467 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:19:23,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:19:23,467 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_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-25 19:19:23,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:19:23,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:19:23,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:19:23,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:19:23,972 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:19:23,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-25 19:19:24,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/aace6a0b9/b3cce1dc294b447c9512223d905ebba0/FLAG8e29ee153 [2021-11-25 19:19:24,782 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:19:24,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-25 19:19:24,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/aace6a0b9/b3cce1dc294b447c9512223d905ebba0/FLAG8e29ee153 [2021-11-25 19:19:24,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59ae5fd1-4faf-4e3d-9f1e-f204f5c95d54/bin/utaipan-eEHZpOm5b7/data/aace6a0b9/b3cce1dc294b447c9512223d905ebba0 [2021-11-25 19:19:24,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:19:24,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:19:24,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:19:24,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:19:24,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:19:24,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:19:24" (1/1) ... [2021-11-25 19:19:24,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12565fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:19:24, skipping insertion in model container [2021-11-25 19:19:24,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:19:24" (1/1) ... [2021-11-25 19:19:25,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:19:25,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:19:25,472 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-25 19:19:25,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@796d585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:19:25, skipping insertion in model container [2021-11-25 19:19:25,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:19:25,474 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:19:25,476 INFO L158 Benchmark]: Toolchain (without parser) took 490.29ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 64.8MB in the end (delta: -3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:19:25,477 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:19:25,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.23ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 65.1MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:19:25,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.23ms. Allocated memory is still 81.8MB. Free memory was 61.0MB in the beginning and 65.1MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. 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