./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/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_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8 --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 --- 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-e04fb08 [2022-11-16 12:14:22,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:14:22,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:14:22,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:14:22,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:14:22,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:14:22,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:14:22,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:14:22,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:14:22,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:14:22,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:14:22,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:14:22,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:14:22,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:14:22,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:14:22,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:14:22,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:14:22,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:14:22,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:14:22,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:14:22,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:14:22,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:14:22,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:14:22,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:14:22,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:14:22,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:14:22,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:14:22,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:14:22,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:14:22,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:14:22,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:14:22,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:14:22,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:14:22,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:14:22,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:14:22,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:14:22,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:14:22,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:14:22,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:14:22,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:14:22,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:14:22,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-11-16 12:14:22,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:14:22,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:14:22,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:14:22,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:14:22,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:14:22,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:14:22,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:14:22,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:14:22,432 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:14:22,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:14:22,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:14:22,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:14:22,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:14:22,433 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:14:22,433 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:14:22,434 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:14:22,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:14:22,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:14:22,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:14:22,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:14:22,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:14:22,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:14:22,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:14:22,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:14:22,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:14:22,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:14:22,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:14:22,437 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_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-16 12:14:22,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:14:22,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:14:22,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:14:22,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:14:22,732 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:14:22,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 12:14:22,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/039ff3e3f/fea033e9fba74631a26a203d444b35ac/FLAGd5906b397 [2022-11-16 12:14:23,575 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:14:23,575 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 12:14:23,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/039ff3e3f/fea033e9fba74631a26a203d444b35ac/FLAGd5906b397 [2022-11-16 12:14:23,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/039ff3e3f/fea033e9fba74631a26a203d444b35ac [2022-11-16 12:14:23,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:14:23,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:14:23,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:23,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:14:23,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:14:23,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:23" (1/1) ... [2022-11-16 12:14:23,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727a6811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:23, skipping insertion in model container [2022-11-16 12:14:23,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:23" (1/1) ... [2022-11-16 12:14:23,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:14:23,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:14:25,084 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 12:14:25,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c6da7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:25, skipping insertion in model container [2022-11-16 12:14:25,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:25,085 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 12:14:25,087 INFO L158 Benchmark]: Toolchain (without parser) took 1350.15ms. Allocated memory is still 134.2MB. Free memory was 95.1MB in the beginning and 101.7MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:14:25,088 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 134.2MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:14:25,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.20ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 101.7MB in the end (delta: -6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:14:25,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 134.2MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 87.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.20ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 101.7MB in the end (delta: -6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/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_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8 --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 --- 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-e04fb08 [2022-11-16 12:14:27,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:14:27,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:14:27,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:14:27,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:14:27,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:14:27,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:14:27,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:14:27,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:14:27,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:14:27,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:14:27,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:14:27,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:14:27,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:14:27,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:14:27,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:14:27,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:14:27,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:14:27,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:14:27,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:14:27,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:14:27,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:14:27,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:14:27,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:14:27,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:14:27,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:14:27,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:14:27,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:14:27,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:14:27,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:14:27,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:14:27,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:14:27,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:14:27,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:14:27,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:14:27,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:14:27,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:14:27,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:14:27,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:14:27,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:14:27,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:14:27,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-11-16 12:14:27,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:14:27,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:14:27,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:14:27,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:14:27,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:14:27,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:14:27,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:14:27,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:14:27,446 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:14:27,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:14:27,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:14:27,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:14:27,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:14:27,449 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:14:27,449 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:14:27,450 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:14:27,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:14:27,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:14:27,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:14:27,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:14:27,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:14:27,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:14:27,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:14:27,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:14:27,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:14:27,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:14:27,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:14:27,453 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:14:27,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:14:27,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:14:27,454 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_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-16 12:14:27,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:14:27,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:14:27,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:14:27,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:14:27,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:14:27,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 12:14:27,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/19bb8a77c/5f2fe576b2564ebc9d8bd3a2e0d6cebe/FLAGf41e35099 [2022-11-16 12:14:28,653 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:14:28,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 12:14:28,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/19bb8a77c/5f2fe576b2564ebc9d8bd3a2e0d6cebe/FLAGf41e35099 [2022-11-16 12:14:28,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea917b68-6dca-4b63-ad3a-e5f8e99f41ea/bin/uautomizer-tPACEb0tL8/data/19bb8a77c/5f2fe576b2564ebc9d8bd3a2e0d6cebe [2022-11-16 12:14:28,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:14:28,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:14:28,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:28,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:14:28,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:14:28,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:28" (1/1) ... [2022-11-16 12:14:28,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c983eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:28, skipping insertion in model container [2022-11-16 12:14:28,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:28" (1/1) ... [2022-11-16 12:14:28,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:14:29,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:14:30,156 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 12:14:30,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bdb612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:30, skipping insertion in model container [2022-11-16 12:14:30,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:30,158 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 12:14:30,160 INFO L158 Benchmark]: Toolchain (without parser) took 1261.87ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 43.7MB in the end (delta: 1.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-16 12:14:30,161 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 101.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:14:30,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.83ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 43.7MB in the end (delta: 1.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-16 12:14:30,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 101.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.83ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 43.7MB in the end (delta: 1.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN