./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:00:36,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:00:36,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:00:36,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:00:36,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:00:36,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:00:36,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:00:36,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:00:36,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:00:36,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:00:36,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:00:36,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:00:36,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:00:36,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:00:36,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:00:36,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:00:36,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:00:36,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:00:36,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:00:36,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:00:36,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:00:36,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:00:36,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:00:36,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:00:36,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:00:36,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:00:36,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:00:36,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:00:36,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:00:36,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:00:36,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:00:36,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:00:36,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:00:36,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:00:36,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:00:36,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:00:36,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:00:36,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:00:36,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:00:36,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:00:36,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:00:36,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-03 04:00:36,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:00:36,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:00:36,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:00:36,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:00:36,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:00:36,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:00:36,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:00:36,965 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:00:36,966 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:00:36,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:00:36,966 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:00:36,966 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:00:36,966 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:00:36,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:00:36,967 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:00:36,967 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:00:36,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:00:36,967 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:00:36,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:00:36,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:00:36,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:00:36,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:00:36,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:00:36,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:00:36,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:00:36,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:00:36,970 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:00:36,970 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:00:36,970 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:00:36,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:00:36,971 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:00:36,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:00:36,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:00:36,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:00:36,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:00:36,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:00:36,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:00:36,974 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:00:36,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:00:36,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:00:36,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:00:36,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:00:36,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-03 04:00:37,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:00:37,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:00:37,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:00:37,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:00:37,376 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:00:37,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-03 04:00:37,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/ea5d9bfdc/761ffcec80ae429ea9d92f361158130d/FLAG2ed7ae992 [2022-11-03 04:00:38,071 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:00:38,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-03 04:00:38,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/ea5d9bfdc/761ffcec80ae429ea9d92f361158130d/FLAG2ed7ae992 [2022-11-03 04:00:38,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/ea5d9bfdc/761ffcec80ae429ea9d92f361158130d [2022-11-03 04:00:38,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:00:38,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:00:38,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:38,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:00:38,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:00:38,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:38" (1/1) ... [2022-11-03 04:00:38,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3901cd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:38, skipping insertion in model container [2022-11-03 04:00:38,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:38" (1/1) ... [2022-11-03 04:00:38,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:00:38,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:00:38,774 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-03 04:00:38,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74ea41f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:38, skipping insertion in model container [2022-11-03 04:00:38,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:38,776 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:00:38,778 INFO L158 Benchmark]: Toolchain (without parser) took 422.08ms. Allocated memory is still 104.9MB. Free memory was 64.8MB in the beginning and 80.4MB in the end (delta: -15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:00:38,778 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:00:38,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.24ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 80.4MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 04:00:38,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.24ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 80.4MB in the end (delta: -15.9MB). 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:00:41,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:00:41,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:00:41,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:00:41,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:00:41,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:00:41,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:00:41,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:00:41,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:00:41,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:00:41,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:00:41,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:00:41,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:00:41,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:00:41,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:00:41,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:00:41,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:00:41,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:00:41,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:00:41,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:00:41,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:00:41,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:00:41,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:00:41,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:00:41,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:00:41,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:00:41,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:00:41,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:00:41,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:00:41,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:00:41,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:00:41,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:00:41,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:00:41,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:00:41,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:00:41,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:00:41,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:00:41,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:00:41,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:00:41,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:00:41,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:00:41,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-03 04:00:41,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:00:41,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:00:41,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:00:41,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:00:41,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:00:41,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:00:41,287 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:00:41,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:00:41,287 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:00:41,288 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:00:41,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:00:41,288 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:00:41,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 04:00:41,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 04:00:41,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:00:41,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:00:41,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 04:00:41,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:00:41,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:00:41,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:00:41,293 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 04:00:41,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 04:00:41,293 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 04:00:41,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:00:41,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:00:41,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:00:41,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:00:41,295 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:00:41,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:00:41,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:00:41,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:00:41,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:00:41,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:00:41,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:00:41,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:00:41,298 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:00:41,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:00:41,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:00:41,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:00:41,300 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_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2022-11-03 04:00:41,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:00:41,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:00:41,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:00:41,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:00:41,814 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:00:41,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-03 04:00:41,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/36a506466/ea20089526fd4f1ebffd8d39531ee5b1/FLAG0d537922b [2022-11-03 04:00:42,585 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:00:42,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/sv-benchmarks/c/memsafety/global-atexit-5.i [2022-11-03 04:00:42,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/36a506466/ea20089526fd4f1ebffd8d39531ee5b1/FLAG0d537922b [2022-11-03 04:00:42,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c8095f6-6bd8-4e82-9194-47dce10b6fe7/bin/utaipan-7li7fVZpFI/data/36a506466/ea20089526fd4f1ebffd8d39531ee5b1 [2022-11-03 04:00:42,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:00:42,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:00:42,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:42,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:00:42,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:00:42,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:42" (1/1) ... [2022-11-03 04:00:42,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1567cba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:42, skipping insertion in model container [2022-11-03 04:00:42,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:00:42" (1/1) ... [2022-11-03 04:00:42,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:00:42,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:00:43,446 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-03 04:00:43,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@174fc160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:00:43, skipping insertion in model container [2022-11-03 04:00:43,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:00:43,448 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 04:00:43,450 INFO L158 Benchmark]: Toolchain (without parser) took 568.57ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 50.3MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 04:00:43,452 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:00:43,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.16ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 50.3MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 04:00:43,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.16ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 50.3MB in the end (delta: -3.9MB). 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