./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.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_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/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 e671c4a4043213b2ced1869dfe3167fef57c51cb ............................................................................................................................................................................... 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_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/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 e671c4a4043213b2ced1869dfe3167fef57c51cb .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:33:22,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:33:22,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:33:22,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:33:22,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:33:22,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:33:22,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:33:22,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:33:22,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:33:22,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:33:22,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:33:22,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:33:22,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:33:22,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:33:22,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:33:22,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:33:22,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:33:22,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:33:22,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:33:22,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:33:22,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:33:22,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:33:22,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:33:22,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:33:22,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:33:22,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:33:22,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:33:22,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:33:22,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:33:22,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:33:22,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:33:22,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:33:22,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:33:22,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:33:22,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:33:22,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:33:22,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:33:22,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:33:22,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:33:22,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:33:22,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:33:22,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-28 07:33:22,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:33:22,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:33:22,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:33:22,579 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:33:22,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:33:22,580 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:33:22,580 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:33:22,580 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:33:22,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:33:22,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:33:22,581 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:33:22,581 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:33:22,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:33:22,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:33:22,582 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:33:22,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:33:22,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:33:22,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:33:22,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:33:22,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:33:22,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:33:22,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:33:22,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:33:22,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:33:22,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:33:22,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:33:22,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:33:22,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:33:22,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:33:22,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:33:22,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:33:22,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:33:22,586 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:33:22,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:33:22,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:33:22,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:33:22,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:33:22,587 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-28 07:33:22,587 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_523d13c4-17a5-4822-8fed-4db7d4f72ccd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e671c4a4043213b2ced1869dfe3167fef57c51cb [2020-11-28 07:33:22,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:33:22,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:33:22,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:33:22,884 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:33:22,888 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:33:22,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-28 07:33:22,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/bc1fe8bdf/b9335038584a4d438268e1c7b7ddc01c/FLAG9d18da4c9 [2020-11-28 07:33:24,228 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:33:24,229 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-28 07:33:24,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/bc1fe8bdf/b9335038584a4d438268e1c7b7ddc01c/FLAG9d18da4c9 [2020-11-28 07:33:24,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/bc1fe8bdf/b9335038584a4d438268e1c7b7ddc01c [2020-11-28 07:33:24,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:33:24,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:33:24,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:24,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:33:24,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:33:24,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:24" (1/1) ... [2020-11-28 07:33:24,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aa12be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:24, skipping insertion in model container [2020-11-28 07:33:24,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:24" (1/1) ... [2020-11-28 07:33:24,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:33:24,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:33:26,132 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,140 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,418 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,630 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,667 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,700 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,915 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:26,955 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,006 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,025 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,033 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,053 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,442 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,443 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,443 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,444 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,445 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,446 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,447 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,448 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,458 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,459 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,461 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,462 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,466 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,472 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,473 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,474 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,475 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,480 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,740 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,748 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,757 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,765 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,772 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:27,779 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:28,163 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:28,166 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:33:28,188 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:33:28,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d18e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:28, skipping insertion in model container [2020-11-28 07:33:28,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:28,189 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:33:28,192 INFO L168 Benchmark]: Toolchain (without parser) took 3794.47 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 67.4 MB in the beginning and 54.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:28,193 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:28,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3790.99 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 54.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:28,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3790.99 ms. Allocated memory was 121.6 MB in the beginning and 151.0 MB in the end (delta: 29.4 MB). Free memory was 67.1 MB in the beginning and 54.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11212]: 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 [2020-11-28 07:33:30,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:33:30,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:33:30,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:33:30,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:33:30,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:33:30,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:33:30,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:33:30,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:33:30,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:33:30,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:33:30,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:33:30,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:33:30,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:33:30,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:33:30,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:33:30,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:33:30,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:33:30,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:33:30,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:33:30,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:33:30,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:33:30,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:33:30,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:33:30,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:33:30,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:33:30,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:33:30,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:33:30,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:33:30,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:33:30,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:33:30,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:33:30,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:33:30,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:33:30,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:33:30,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:33:30,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:33:30,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:33:30,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:33:30,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:33:30,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:33:30,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-28 07:33:30,813 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:33:30,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:33:30,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:33:30,817 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:33:30,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:33:30,817 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:33:30,818 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:33:30,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:33:30,818 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:33:30,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:33:30,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:33:30,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:33:30,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:33:30,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:33:30,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:33:30,822 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:33:30,822 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:33:30,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:33:30,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:33:30,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:33:30,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:33:30,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:33:30,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:33:30,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:33:30,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:33:30,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:33:30,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:33:30,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:33:30,825 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:33:30,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:33:30,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:33:30,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:33:30,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:33:30,826 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_523d13c4-17a5-4822-8fed-4db7d4f72ccd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e671c4a4043213b2ced1869dfe3167fef57c51cb [2020-11-28 07:33:31,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:33:31,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:33:31,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:33:31,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:33:31,285 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:33:31,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-28 07:33:31,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/cd942d402/9241f3fa2c5c49ce872b95b18b78a655/FLAG22ffc3e02 [2020-11-28 07:33:32,661 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:33:32,662 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-11-28 07:33:32,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/cd942d402/9241f3fa2c5c49ce872b95b18b78a655/FLAG22ffc3e02 [2020-11-28 07:33:32,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_523d13c4-17a5-4822-8fed-4db7d4f72ccd/bin/utaipan/data/cd942d402/9241f3fa2c5c49ce872b95b18b78a655 [2020-11-28 07:33:32,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:33:32,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:33:32,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:32,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:33:32,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:33:32,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:32" (1/1) ... [2020-11-28 07:33:32,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8ead02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:32, skipping insertion in model container [2020-11-28 07:33:32,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:33:32" (1/1) ... [2020-11-28 07:33:32,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:33:33,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:33:36,809 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 07:33:36,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@913e7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:33:36, skipping insertion in model container [2020-11-28 07:33:36,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:33:36,810 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:33:36,813 INFO L168 Benchmark]: Toolchain (without parser) took 3939.22 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 24.7 MB in the beginning and 42.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,814 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:33:36,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3936.38 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 24.5 MB in the beginning and 42.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:33:36,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3936.38 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 24.5 MB in the beginning and 42.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11212]: 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...