./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD --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 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD --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 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:14:17,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:17,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:18,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:18,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:18,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:18,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:18,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:18,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:18,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:18,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:18,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:18,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:18,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:18,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:18,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:18,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:18,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:18,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:18,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:18,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:18,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:18,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:18,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:18,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:18,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:18,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:18,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:18,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:18,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:18,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:18,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:18,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:18,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:18,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:18,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:18,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:18,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:18,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:18,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:18,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:18,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 23:14:18,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:18,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:18,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:18,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:18,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:18,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:18,118 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:18,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:18,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:14:18,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:18,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:18,120 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:14:18,120 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:14:18,120 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:14:18,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:14:18,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:14:18,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:18,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:18,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:18,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:14:18,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:18,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:18,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:14:18,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:14:18,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:14:18,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:18,122 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_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-28 23:14:18,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:18,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:18,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:18,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:18,502 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:18,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 23:14:18,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/29394f703/8e4a581651624800b8f24ba6a6fe0874/FLAG059e7536d [2021-10-28 23:14:19,400 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:19,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 23:14:19,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/29394f703/8e4a581651624800b8f24ba6a6fe0874/FLAG059e7536d [2021-10-28 23:14:19,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/29394f703/8e4a581651624800b8f24ba6a6fe0874 [2021-10-28 23:14:19,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:19,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:14:19,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:19,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:19,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:19,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:19" (1/1) ... [2021-10-28 23:14:19,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659ff74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:19, skipping insertion in model container [2021-10-28 23:14:19,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:19" (1/1) ... [2021-10-28 23:14:19,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:19,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:20,556 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-28 23:14:20,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d7624dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:20, skipping insertion in model container [2021-10-28 23:14:20,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:20,558 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:14:20,560 INFO L168 Benchmark]: Toolchain (without parser) took 1022.18 ms. Allocated memory is still 144.7 MB. Free memory was 109.6 MB in the beginning and 111.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:20,560 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 96.5 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:14:20,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1018.26 ms. Allocated memory is still 144.7 MB. Free memory was 109.6 MB in the beginning and 111.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:20,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 96.5 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1018.26 ms. Allocated memory is still 144.7 MB. Free memory was 109.6 MB in the beginning and 111.0 MB in the end (delta: -1.4 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: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:14:22,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:22,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:22,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:22,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:22,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:22,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:22,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:22,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:22,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:22,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:22,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:22,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:22,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:22,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:22,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:22,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:22,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:22,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:22,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:22,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:22,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:22,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:22,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:22,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:22,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:22,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:22,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:22,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:22,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:22,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:22,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:22,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:22,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:22,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:22,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:22,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:22,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:22,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:22,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:22,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:22,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 23:14:22,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:22,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:22,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:22,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:22,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:22,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:22,869 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:22,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:22,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:14:22,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:22,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:22,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:14:22,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:14:22,872 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:14:22,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:14:22,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:14:22,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:14:22,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:14:22,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:22,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:22,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:22,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:14:22,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:14:22,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:22,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:14:22,875 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:14:22,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:14:22,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:22,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:14:22,876 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_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-28 23:14:23,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:23,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:23,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:23,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:23,293 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:23,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 23:14:23,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/7c136fc8e/d5c96b7a78d24d9c811d283a7daf8d70/FLAG4162cdad2 [2021-10-28 23:14:24,125 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:24,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 23:14:24,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/7c136fc8e/d5c96b7a78d24d9c811d283a7daf8d70/FLAG4162cdad2 [2021-10-28 23:14:24,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed37fd5-768c-4dde-915c-7d8bdf5648df/bin/uautomizer-GMMbpWq8iD/data/7c136fc8e/d5c96b7a78d24d9c811d283a7daf8d70 [2021-10-28 23:14:24,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:24,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:14:24,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:24,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:24,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:24,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:24" (1/1) ... [2021-10-28 23:14:24,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a138d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:24, skipping insertion in model container [2021-10-28 23:14:24,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:24" (1/1) ... [2021-10-28 23:14:24,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:24,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:25,378 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-28 23:14:25,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10166d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:25, skipping insertion in model container [2021-10-28 23:14:25,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:25,380 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:14:25,382 INFO L168 Benchmark]: Toolchain (without parser) took 1117.46 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 36.6 MB in the beginning and 66.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:25,382 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:14:25,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1114.66 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 36.5 MB in the beginning and 66.9 MB in the end (delta: -30.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:25,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1114.66 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 36.5 MB in the beginning and 66.9 MB in the end (delta: -30.4 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: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...