./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 22:51:36,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:51:36,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:51:36,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:51:36,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:51:36,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:51:36,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:51:36,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:51:36,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:51:36,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:51:36,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:51:36,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:51:36,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:51:36,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:51:36,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:51:36,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:51:36,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:51:36,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:51:36,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:51:36,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:51:36,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:51:36,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:51:36,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:51:36,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:51:36,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:51:36,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:51:36,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:51:36,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:51:36,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:51:36,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:51:36,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:51:36,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:51:36,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:51:36,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:51:36,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:51:36,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:51:36,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:51:36,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:51:36,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:51:36,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:51:36,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:51:36,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-12 22:51:36,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:51:36,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:51:36,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:51:36,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:51:36,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:51:36,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:51:36,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:51:36,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:51:36,123 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:51:36,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:51:36,124 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:51:36,124 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:51:36,124 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:51:36,124 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:51:36,125 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:51:36,125 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:51:36,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:51:36,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:51:36,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:51:36,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:51:36,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:51:36,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:51:36,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:51:36,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:51:36,132 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:51:36,132 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:51:36,133 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:51:36,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:51:36,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:51:36,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:51:36,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:51:36,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:51:36,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:51:36,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:51:36,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:51:36,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:51:36,135 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:51:36,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:51:36,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:51:36,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:51:36,136 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_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-12 22:51:36,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:51:36,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:51:36,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:51:36,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:51:36,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:51:36,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-12 22:51:36,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/e563f04df/e27820570c3d43a69cdb77df9326c333/FLAGad1bdb4d1 [2021-11-12 22:51:36,923 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:51:36,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-12 22:51:36,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/e563f04df/e27820570c3d43a69cdb77df9326c333/FLAGad1bdb4d1 [2021-11-12 22:51:37,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/e563f04df/e27820570c3d43a69cdb77df9326c333 [2021-11-12 22:51:37,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:51:37,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:51:37,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:37,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:51:37,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:51:37,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:37,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2d43ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37, skipping insertion in model container [2021-11-12 22:51:37,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:37" (1/1) ... [2021-11-12 22:51:37,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:51:37,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:51:37,629 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 22:51:37,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47cbcf1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:37, skipping insertion in model container [2021-11-12 22:51:37,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:37,630 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:51:37,632 INFO L158 Benchmark]: Toolchain (without parser) took 339.82ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 76.3MB in the end (delta: -19.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-12 22:51:37,633 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:51:37,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.40ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 76.3MB in the end (delta: -19.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-12 22:51:37,636 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 102.8MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.40ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 76.3MB in the end (delta: -19.4MB). Peak memory consumption was 4.3MB. 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_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-12 22:51:39,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:51:39,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:51:39,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:51:39,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:51:39,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:51:39,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:51:39,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:51:39,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:51:39,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:51:39,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:51:39,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:51:39,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:51:39,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:51:39,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:51:39,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:51:39,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:51:39,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:51:39,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:51:39,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:51:39,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:51:39,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:51:39,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:51:39,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:51:39,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:51:39,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:51:39,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:51:39,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:51:39,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:51:39,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:51:39,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:51:39,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:51:39,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:51:39,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:51:39,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:51:39,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:51:39,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:51:39,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:51:39,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:51:39,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:51:39,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:51:39,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-12 22:51:39,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:51:39,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:51:39,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:51:39,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:51:39,971 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:51:39,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:51:39,971 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:51:39,972 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:51:39,972 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:51:39,972 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:51:39,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:51:39,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:51:39,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:51:39,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:51:39,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:51:39,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:51:39,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:51:39,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:51:39,976 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:51:39,976 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:51:39,976 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:51:39,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:51:39,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:51:39,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:51:39,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:51:39,977 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:51:39,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:51:39,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:51:39,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:51:39,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:51:39,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:51:39,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:51:39,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:51:39,979 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:51:39,979 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:51:39,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:51:39,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:51:39,980 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_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-12 22:51:40,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:51:40,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:51:40,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:51:40,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:51:40,424 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:51:40,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-12 22:51:40,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/4895266b4/526098faab8a493386294cfe3cab7c2c/FLAGdb1d9c710 [2021-11-12 22:51:41,145 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:51:41,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-12 22:51:41,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/4895266b4/526098faab8a493386294cfe3cab7c2c/FLAGdb1d9c710 [2021-11-12 22:51:41,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea4780c-2aad-44b6-9f16-9f1c6dd27e9e/bin/utaipan-vmNK8stdcF/data/4895266b4/526098faab8a493386294cfe3cab7c2c [2021-11-12 22:51:41,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:51:41,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:51:41,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:41,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:51:41,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:51:41,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:41" (1/1) ... [2021-11-12 22:51:41,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c40e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:41, skipping insertion in model container [2021-11-12 22:51:41,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:51:41" (1/1) ... [2021-11-12 22:51:41,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:51:41,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:51:41,794 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 22:51:41,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13a418aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:51:41, skipping insertion in model container [2021-11-12 22:51:41,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:51:41,795 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:51:41,797 INFO L158 Benchmark]: Toolchain (without parser) took 348.52ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 41.8MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 22:51:41,797 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:51:41,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.90ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 41.8MB in the end (delta: -6.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 22:51:41,800 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 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.90ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 41.8MB in the end (delta: -6.2MB). Peak memory consumption was 12.6MB. 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