./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:44:46,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:44:46,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:44:46,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:44:46,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:44:46,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:44:46,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:44:46,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:44:46,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:44:46,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:44:46,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:44:46,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:44:46,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:44:46,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:44:46,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:44:46,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:44:46,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:44:46,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:44:46,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:44:46,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:44:46,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:44:46,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:44:46,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:44:46,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:44:46,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:44:46,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:44:46,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:44:46,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:44:46,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:44:46,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:44:46,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:44:46,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:44:46,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:44:46,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:44:46,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:44:46,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:44:46,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:44:46,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:44:46,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:44:46,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:44:46,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:44:46,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:44:46,674 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:44:46,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:44:46,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:44:46,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:44:46,677 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:44:46,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:44:46,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:44:46,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:44:46,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:44:46,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:44:46,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:44:46,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:44:46,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:44:46,680 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:44:46,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:44:46,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:44:46,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:44:46,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:44:46,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:44:46,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:44:46,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:44:46,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:44:46,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:44:46,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:44:46,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:44:46,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:44:46,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:44:46,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:44:46,683 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-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2020-11-30 00:44:46,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:44:47,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:44:47,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:44:47,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:44:47,036 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:44:47,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-30 00:44:47,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/db8804405/1d24a4d298604db3ba9200a3c552db3c/FLAG93f5bffaa [2020-11-30 00:44:47,689 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:44:47,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-30 00:44:47,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/db8804405/1d24a4d298604db3ba9200a3c552db3c/FLAG93f5bffaa [2020-11-30 00:44:47,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/db8804405/1d24a4d298604db3ba9200a3c552db3c [2020-11-30 00:44:47,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:44:47,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:44:47,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:47,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:44:47,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:44:47,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:47" (1/1) ... [2020-11-30 00:44:47,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ce1a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:47, skipping insertion in model container [2020-11-30 00:44:47,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:47" (1/1) ... [2020-11-30 00:44:47,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:44:48,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:44:48,372 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-30 00:44:48,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46781ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:48, skipping insertion in model container [2020-11-30 00:44:48,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:48,374 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:44:48,378 INFO L168 Benchmark]: Toolchain (without parser) took 420.28 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 79.8 MB in the end (delta: -11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,380 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:44:48,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.33 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 79.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.33 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 79.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:44:50,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:44:50,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:44:50,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:44:50,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:44:50,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:44:50,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:44:50,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:44:50,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:44:50,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:44:50,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:44:50,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:44:50,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:44:50,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:44:50,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:44:50,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:44:50,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:44:50,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:44:50,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:44:50,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:44:50,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:44:50,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:44:50,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:44:50,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:44:50,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:44:50,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:44:50,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:44:50,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:44:50,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:44:50,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:44:50,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:44:50,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:44:50,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:44:50,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:44:50,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:44:50,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:44:50,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:44:50,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:44:50,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:44:50,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:44:50,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:44:50,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:44:50,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:44:50,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:44:50,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:44:50,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:44:50,793 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:44:50,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:44:50,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:44:50,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:44:50,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:44:50,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:44:50,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:44:50,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:44:50,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:44:50,795 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:44:50,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:44:50,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:44:50,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:44:50,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:44:50,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:44:50,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:44:50,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:44:50,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:44:50,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:44:50,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:44:50,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:44:50,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:44:50,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:44:50,799 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:44:50,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:44:50,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:44:50,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:44:50,799 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-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8301c50d8e848d61f1fa3c9b6761c13d77cf2417 [2020-11-30 00:44:51,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:44:51,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:44:51,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:44:51,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:44:51,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:44:51,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-30 00:44:51,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/3b4402129/a50b2b0386c043e392c822a3421fd94d/FLAGd7fb5bf0e [2020-11-30 00:44:51,877 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:44:51,877 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/sv-benchmarks/c/memsafety/global-atexit-5.i [2020-11-30 00:44:51,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/3b4402129/a50b2b0386c043e392c822a3421fd94d/FLAGd7fb5bf0e [2020-11-30 00:44:52,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02cc803a-8761-4871-9f8b-793ff88f3492/bin/uautomizer/data/3b4402129/a50b2b0386c043e392c822a3421fd94d [2020-11-30 00:44:52,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:44:52,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:44:52,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:52,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:44:52,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:44:52,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:52" (1/1) ... [2020-11-30 00:44:52,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719e13b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:52, skipping insertion in model container [2020-11-30 00:44:52,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:44:52" (1/1) ... [2020-11-30 00:44:52,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:44:52,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:44:52,637 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-30 00:44:52,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@210359f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:44:52, skipping insertion in model container [2020-11-30 00:44:52,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:44:52,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:44:52,641 INFO L168 Benchmark]: Toolchain (without parser) took 426.64 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 33.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:52,642 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:44:52,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.41 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 33.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:52,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.41 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 33.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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...