./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:10:40,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:10:40,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:10:40,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:10:40,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:10:40,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:10:40,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:10:40,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:10:40,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:10:40,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:10:40,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:10:40,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:10:40,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:10:40,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:10:40,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:10:41,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:10:41,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:10:41,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:10:41,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:10:41,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:10:41,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:10:41,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:10:41,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:10:41,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:10:41,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:10:41,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:10:41,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:10:41,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:10:41,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:10:41,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:10:41,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:10:41,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:10:41,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:10:41,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:10:41,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:10:41,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:10:41,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:10:41,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:10:41,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:10:41,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:10:41,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:10:41,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 02:10:41,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:10:41,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:10:41,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:10:41,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:10:41,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:10:41,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:10:41,110 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:10:41,110 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:10:41,110 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:10:41,111 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:10:41,112 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:10:41,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:10:41,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:10:41,112 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:10:41,113 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:10:41,113 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:10:41,113 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:10:41,113 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:10:41,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:10:41,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:10:41,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:10:41,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:10:41,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:10:41,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:10:41,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:10:41,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:10:41,116 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:10:41,117 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:10:41,117 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:10:41,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:10:41,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:10:41,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:10:41,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:10:41,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:10:41,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:10:41,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:10:41,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:10:41,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:10:41,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:10:41,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:10:41,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:10:41,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:10:41,122 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_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-23 02:10:41,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:10:41,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:10:41,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:10:41,411 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:10:41,412 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:10:41,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-23 02:10:41,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/447bfc5f9/12597093448f4f119fb5372265f37ea1/FLAGaaedc84a3 [2021-11-23 02:10:42,016 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:10:42,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-23 02:10:42,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/447bfc5f9/12597093448f4f119fb5372265f37ea1/FLAGaaedc84a3 [2021-11-23 02:10:42,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/447bfc5f9/12597093448f4f119fb5372265f37ea1 [2021-11-23 02:10:42,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:10:42,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:10:42,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:10:42,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:10:42,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:10:42,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:42" (1/1) ... [2021-11-23 02:10:42,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6d6a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:42, skipping insertion in model container [2021-11-23 02:10:42,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:42" (1/1) ... [2021-11-23 02:10:42,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:10:42,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:10:42,713 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 02:10:42,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d12fc23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:42, skipping insertion in model container [2021-11-23 02:10:42,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:10:42,715 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:10:42,718 INFO L158 Benchmark]: Toolchain (without parser) took 402.03ms. Allocated memory was 92.3MB in the beginning and 153.1MB in the end (delta: 60.8MB). Free memory was 54.9MB in the beginning and 126.0MB in the end (delta: -71.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:10:42,720 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:10:42,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.42ms. Allocated memory was 92.3MB in the beginning and 153.1MB in the end (delta: 60.8MB). Free memory was 54.7MB in the beginning and 126.0MB in the end (delta: -71.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:10:42,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.42ms. Allocated memory was 92.3MB in the beginning and 153.1MB in the end (delta: 60.8MB). Free memory was 54.7MB in the beginning and 126.0MB in the end (delta: -71.3MB). 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 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_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:10:45,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:10:45,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:10:45,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:10:45,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:10:45,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:10:45,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:10:45,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:10:45,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:10:45,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:10:45,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:10:45,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:10:45,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:10:45,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:10:45,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:10:45,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:10:45,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:10:45,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:10:45,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:10:45,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:10:45,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:10:45,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:10:45,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:10:45,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:10:45,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:10:45,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:10:45,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:10:45,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:10:45,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:10:45,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:10:45,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:10:45,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:10:45,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:10:45,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:10:45,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:10:45,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:10:45,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:10:45,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:10:45,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:10:45,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:10:45,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:10:45,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 02:10:45,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:10:45,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:10:45,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:10:45,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:10:45,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:10:45,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:10:45,139 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:10:45,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:10:45,140 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:10:45,140 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:10:45,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:10:45,140 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:10:45,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:10:45,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:10:45,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:10:45,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:10:45,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:10:45,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:10:45,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:10:45,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:10:45,143 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:10:45,143 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:10:45,143 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:10:45,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:10:45,143 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:10:45,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:10:45,144 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:10:45,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:10:45,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:10:45,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:10:45,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:10:45,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:10:45,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:10:45,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:10:45,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:10:45,146 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:10:45,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:10:45,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:10:45,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:10:45,146 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_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-23 02:10:45,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:10:45,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:10:45,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:10:45,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:10:45,545 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:10:45,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-23 02:10:45,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/9093b1fb1/008a35ea6ce848ceaf6f26e774b81d47/FLAGefc9b4713 [2021-11-23 02:10:46,312 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:10:46,314 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-23 02:10:46,332 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/9093b1fb1/008a35ea6ce848ceaf6f26e774b81d47/FLAGefc9b4713 [2021-11-23 02:10:46,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbaf4a4e-aafb-4920-a9fa-587ff0986a51/bin/utaipan-EQgc7hIp5V/data/9093b1fb1/008a35ea6ce848ceaf6f26e774b81d47 [2021-11-23 02:10:46,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:10:46,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:10:46,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:10:46,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:10:46,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:10:46,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:46" (1/1) ... [2021-11-23 02:10:46,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289bdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:46, skipping insertion in model container [2021-11-23 02:10:46,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:46" (1/1) ... [2021-11-23 02:10:46,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:10:46,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:10:46,937 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-23 02:10:46,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ae1a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:46, skipping insertion in model container [2021-11-23 02:10:46,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:10:46,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:10:46,940 INFO L158 Benchmark]: Toolchain (without parser) took 382.43ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 47.9MB in the end (delta: -4.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 02:10:46,941 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:10:46,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.09ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 47.9MB in the end (delta: -4.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 02:10:46,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.09ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 47.9MB in the end (delta: -4.5MB). Peak memory consumption was 12.1MB. 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