./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-4e7fbc6 [2022-11-23 15:44:16,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:16,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:16,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:16,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:16,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:16,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:16,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:16,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:16,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:16,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:16,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:16,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:16,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:16,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:16,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:16,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:16,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:16,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:16,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:16,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:16,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:16,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:16,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:16,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:16,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:16,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:16,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:16,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:16,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:16,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:16,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:16,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:16,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:16,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:16,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:16,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:16,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:16,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:16,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:16,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:16,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 15:44:16,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:16,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:16,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:16,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:16,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:16,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:16,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:16,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:16,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:16,754 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:44:16,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:16,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:16,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:44:16,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:44:16,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:16,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:44:16,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:44:16,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:44:16,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:44:16,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:44:16,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:16,759 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:44:16,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:44:16,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:44:16,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:44:16,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:16,760 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:44:16,760 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:44:16,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:44:16,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:16,761 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:44:16,761 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:44:16,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:16,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:16,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:16,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:16,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:16,763 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:44:16,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:16,767 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:44:16,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:44:16,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:16,767 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_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-23 15:44:17,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:17,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:17,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:17,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:17,058 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:17,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-23 15:44:20,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:20,292 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:20,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-23 15:44:20,303 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/c0afc0e38/51a4111efb4b4b24858bea606ec913f8/FLAG87b5f7836 [2022-11-23 15:44:20,318 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/c0afc0e38/51a4111efb4b4b24858bea606ec913f8 [2022-11-23 15:44:20,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:20,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:20,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:20,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:20,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:20,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:20" (1/1) ... [2022-11-23 15:44:20,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dadeeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:20, skipping insertion in model container [2022-11-23 15:44:20,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:20" (1/1) ... [2022-11-23 15:44:20,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:20,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:20,658 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-23 15:44:20,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@193f2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:20, skipping insertion in model container [2022-11-23 15:44:20,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:20,660 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:44:20,662 INFO L158 Benchmark]: Toolchain (without parser) took 339.10ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 123.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:44:20,662 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:44:20,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.64ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 123.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:44:20,665 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 132.1MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.64ms. Allocated memory is still 176.2MB. Free memory was 134.0MB in the beginning and 123.5MB in the end (delta: 10.5MB). 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- 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-4e7fbc6 [2022-11-23 15:44:22,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:22,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:22,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:22,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:22,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:22,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:22,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:22,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:22,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:22,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:22,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:22,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:22,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:22,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:22,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:22,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:22,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:22,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:22,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:22,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:22,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:22,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:22,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:22,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:22,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:22,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:22,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:22,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:22,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:22,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:22,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:22,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:22,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:22,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:22,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:22,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:22,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:22,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:22,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:22,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:22,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-23 15:44:22,784 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:22,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:22,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:22,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:22,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:22,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:22,786 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:22,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:22,786 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:22,787 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:22,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:22,787 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:22,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:44:22,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:44:22,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:22,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:44:22,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:44:22,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:44:22,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:44:22,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:22,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:44:22,790 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:44:22,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:44:22,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:22,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:44:22,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:44:22,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:44:22,792 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:44:22,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:22,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:22,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:44:22,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:22,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:22,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:22,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:22,794 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:44:22,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:44:22,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:22,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:44:22,795 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_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2022-11-23 15:44:23,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:23,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:23,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:23,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:23,214 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:23,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-23 15:44:26,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:26,491 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:26,492 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/sv-benchmarks/c/memsafety/global-atexit-2.i [2022-11-23 15:44:26,503 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/83341cc1b/5a297087b25f47008ee03cc644ced4ea/FLAG7bde7b881 [2022-11-23 15:44:26,520 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ebc9105-28f0-40f0-be0a-0228cee60ac5/bin/utaipan-Q6hlc19bkW/data/83341cc1b/5a297087b25f47008ee03cc644ced4ea [2022-11-23 15:44:26,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:26,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:26,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:26,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:26,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:26,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:26" (1/1) ... [2022-11-23 15:44:26,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:26, skipping insertion in model container [2022-11-23 15:44:26,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:26" (1/1) ... [2022-11-23 15:44:26,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:26,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:26,898 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2022-11-23 15:44:26,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2682d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:26, skipping insertion in model container [2022-11-23 15:44:26,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:26,900 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:44:26,902 INFO L158 Benchmark]: Toolchain (without parser) took 376.74ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 33.3MB in the beginning and 73.3MB in the end (delta: -40.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-23 15:44:26,903 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:44:26,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.45ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 33.1MB in the beginning and 73.3MB in the end (delta: -40.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-23 15:44:26,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.45ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 33.1MB in the beginning and 73.3MB in the end (delta: -40.2MB). Peak memory consumption was 7.7MB. 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