./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57280e669bca6a99b5ccb8cbc8ccfc489d7ead2 ...................................................................................................................................................................................................... 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_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57280e669bca6a99b5ccb8cbc8ccfc489d7ead2 .................................................................................................................................... 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 01:53:20,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:53:20,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:53:20,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:53:20,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:53:20,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:53:20,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:53:20,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:53:20,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:53:20,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:53:20,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:53:20,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:53:20,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:53:20,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:53:20,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:53:20,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:53:20,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:53:20,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:53:20,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:53:20,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:53:20,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:53:20,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:53:20,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:53:20,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:53:20,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:53:20,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:53:20,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:53:20,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:53:20,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:53:20,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:53:20,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:53:20,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:53:20,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:53:20,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:53:20,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:53:20,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:53:20,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:53:20,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:53:20,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:53:20,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:53:20,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:53:20,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-30 01:53:20,568 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:53:20,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:53:20,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:53:20,571 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:53:20,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:53:20,572 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:53:20,572 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:53:20,572 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:53:20,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:53:20,573 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:53:20,574 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:53:20,574 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:53:20,574 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:53:20,575 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:53:20,575 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:53:20,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:53:20,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:53:20,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:53:20,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:53:20,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:53:20,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:53:20,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:53:20,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:53:20,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:53:20,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:53:20,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:53:20,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:53:20,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:53:20,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:53:20,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:53:20,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:53:20,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:53:20,580 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:53:20,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:53:20,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:53:20,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:53:20,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:53:20,581 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-30 01:53:20,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57280e669bca6a99b5ccb8cbc8ccfc489d7ead2 [2020-11-30 01:53:20,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:53:20,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:53:20,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:53:20,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:53:20,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:53:20,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i [2020-11-30 01:53:21,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/cda905892/d82251e40c7a4d72a9bc6d3f14b8a3ab/FLAG5f3f82d72 [2020-11-30 01:53:22,322 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:53:22,323 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i [2020-11-30 01:53:22,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/cda905892/d82251e40c7a4d72a9bc6d3f14b8a3ab/FLAG5f3f82d72 [2020-11-30 01:53:22,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/cda905892/d82251e40c7a4d72a9bc6d3f14b8a3ab [2020-11-30 01:53:22,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:53:22,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:53:22,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:53:22,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:53:22,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:53:22,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:53:22" (1/1) ... [2020-11-30 01:53:22,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66aab3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:53:22, skipping insertion in model container [2020-11-30 01:53:22,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:53:22" (1/1) ... [2020-11-30 01:53:22,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:53:22,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:53:24,410 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,427 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,822 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,825 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,826 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,827 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,832 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,833 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,836 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,837 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,913 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,930 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,946 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,963 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:24,980 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,001 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,517 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,518 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,519 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,519 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,520 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,520 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,521 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,523 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,527 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,528 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,529 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,530 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,531 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,531 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,532 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,532 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,533 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,533 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,534 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,540 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,545 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,546 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,616 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,619 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,918 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,969 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:25,980 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,031 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,046 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,052 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,059 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,767 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,790 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,791 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,857 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,872 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,879 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,888 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:26,898 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,009 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,010 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,021 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,043 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,052 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,061 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:53:27,074 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:53:27,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c2c2e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:53:27, skipping insertion in model container [2020-11-30 01:53:27,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:53:27,075 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:53:27,077 INFO L168 Benchmark]: Toolchain (without parser) took 4512.99 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 81.4 MB in the beginning and 104.8 MB in the end (delta: -23.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:53:27,078 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.3 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:53:27,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4505.71 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 81.1 MB in the beginning and 104.8 MB in the end (delta: -23.8 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:53:27,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.3 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4505.71 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 81.1 MB in the beginning and 104.8 MB in the end (delta: -23.8 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15339]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays 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 01:53:29,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:53:29,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:53:29,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:53:29,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:53:29,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:53:29,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:53:29,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:53:29,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:53:29,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:53:29,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:53:29,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:53:29,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:53:29,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:53:29,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:53:29,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:53:29,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:53:29,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:53:29,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:53:29,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:53:29,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:53:29,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:53:29,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:53:29,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:53:29,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:53:29,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:53:29,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:53:29,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:53:29,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:53:29,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:53:29,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:53:29,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:53:29,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:53:29,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:53:29,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:53:29,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:53:29,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:53:29,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:53:29,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:53:29,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:53:29,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:53:29,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-30 01:53:29,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:53:29,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:53:29,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:53:29,750 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:53:29,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:53:29,751 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:53:29,751 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:53:29,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:53:29,751 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:53:29,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:53:29,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:53:29,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:53:29,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:53:29,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:53:29,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:53:29,754 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:53:29,754 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:53:29,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:53:29,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:53:29,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:53:29,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:53:29,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:53:29,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:53:29,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:53:29,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:53:29,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:53:29,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:53:29,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:53:29,757 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:53:29,757 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:53:29,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:53:29,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:53:29,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:53:29,758 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_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57280e669bca6a99b5ccb8cbc8ccfc489d7ead2 [2020-11-30 01:53:30,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:53:30,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:53:30,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:53:30,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:53:30,260 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:53:30,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i [2020-11-30 01:53:30,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/714a09f9c/96d74b12f2c3413ab5efa4761c516c13/FLAGaf2a67fc2 [2020-11-30 01:53:31,717 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:53:31,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-au0828-au0828.cil.i [2020-11-30 01:53:31,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/714a09f9c/96d74b12f2c3413ab5efa4761c516c13/FLAGaf2a67fc2 [2020-11-30 01:53:32,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7dd2ae16-7f39-4d83-b563-fb8059a3ed6b/bin/utaipan/data/714a09f9c/96d74b12f2c3413ab5efa4761c516c13 [2020-11-30 01:53:32,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:53:32,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:53:32,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:53:32,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:53:32,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:53:32,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:53:32" (1/1) ... [2020-11-30 01:53:32,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cec38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:53:32, skipping insertion in model container [2020-11-30 01:53:32,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:53:32" (1/1) ... [2020-11-30 01:53:32,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:53:32,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:53:37,363 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:53:37,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57c09473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:53:37, skipping insertion in model container [2020-11-30 01:53:37,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:53:37,365 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:53:37,367 INFO L168 Benchmark]: Toolchain (without parser) took 5106.81 ms. Allocated memory was 54.5 MB in the beginning and 169.9 MB in the end (delta: 115.3 MB). Free memory was 23.3 MB in the beginning and 105.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:53:37,368 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:53:37,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5102.75 ms. Allocated memory was 54.5 MB in the beginning and 169.9 MB in the end (delta: 115.3 MB). Free memory was 23.1 MB in the beginning and 105.4 MB in the end (delta: -82.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:53:37,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5102.75 ms. Allocated memory was 54.5 MB in the beginning and 169.9 MB in the end (delta: 115.3 MB). Free memory was 23.1 MB in the beginning and 105.4 MB in the end (delta: -82.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15339]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...