./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/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_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH --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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:19:58,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:19:58,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:19:58,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:19:58,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:19:58,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:19:58,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:19:58,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:19:58,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:19:58,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:19:58,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:19:58,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:19:58,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:19:58,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:19:58,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:19:58,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:19:58,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:19:58,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:19:58,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:19:58,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:19:58,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:19:58,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:19:58,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:19:58,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:19:58,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:19:58,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:19:58,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:19:58,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:19:58,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:19:58,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:19:58,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:19:58,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:19:58,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:19:58,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:19:58,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:19:58,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:19:58,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:19:58,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:19:58,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:19:58,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:19:58,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:19:58,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:19:58,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:19:58,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:19:58,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:19:58,682 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:19:58,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:19:58,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:19:58,684 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:19:58,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:19:58,684 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:19:58,684 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:19:58,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:19:58,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:19:58,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:19:58,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:19:58,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:19:58,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:19:58,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:19:58,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:19:58,686 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:19:58,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:19:58,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:19:58,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:19:58,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:19:58,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:19:58,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:19:58,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:19:58,689 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_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2021-11-03 05:19:58,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:19:58,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:19:58,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:19:58,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:19:58,989 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:19:58,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-03 05:19:59,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/231b79385/ab668a0b9186423c91da65b8057b3ad0/FLAG929192ec7 [2021-11-03 05:20:00,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:20:00,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-03 05:20:00,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/231b79385/ab668a0b9186423c91da65b8057b3ad0/FLAG929192ec7 [2021-11-03 05:20:00,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/231b79385/ab668a0b9186423c91da65b8057b3ad0 [2021-11-03 05:20:00,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:20:00,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:20:00,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:20:00,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:20:00,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:20:00,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:20:00" (1/1) ... [2021-11-03 05:20:00,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302c84df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:00, skipping insertion in model container [2021-11-03 05:20:00,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:20:00" (1/1) ... [2021-11-03 05:20:00,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:20:00,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:20:02,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,181 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,646 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,683 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,907 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,952 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,965 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:02,991 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,414 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,416 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,421 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,422 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,432 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,433 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,439 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,439 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,447 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,448 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,448 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,448 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,450 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,740 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,747 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,754 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,762 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:03,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,197 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,214 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,308 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,309 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,330 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,334 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,336 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,336 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,339 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,342 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,343 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,343 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,345 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,347 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,347 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,348 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,348 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,356 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,357 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,358 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,358 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,382 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,383 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,392 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,443 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,502 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,650 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,718 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,720 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,722 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,723 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,723 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,732 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,790 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:04,930 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,325 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,393 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,529 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,599 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,599 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,625 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,625 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,628 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,742 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:20:05,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-03 05:20:05,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-03 05:20:05,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-03 05:20:05,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-03 05:20:05,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:20:06,094 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 05:20:06,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7264134c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:06, skipping insertion in model container [2021-11-03 05:20:06,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:20:06,095 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:20:06,098 INFO L168 Benchmark]: Toolchain (without parser) took 5664.70 ms. Allocated memory was 117.4 MB in the beginning and 213.9 MB in the end (delta: 96.5 MB). Free memory was 74.1 MB in the beginning and 126.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:20:06,100 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 117.4 MB. Free memory was 91.2 MB in the beginning and 91.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:20:06,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5661.28 ms. Allocated memory was 117.4 MB in the beginning and 213.9 MB in the end (delta: 96.5 MB). Free memory was 73.8 MB in the beginning and 126.0 MB in the end (delta: -52.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:20:06,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 117.4 MB. Free memory was 91.2 MB in the beginning and 91.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5661.28 ms. Allocated memory was 117.4 MB in the beginning and 213.9 MB in the end (delta: 96.5 MB). Free memory was 73.8 MB in the beginning and 126.0 MB in the end (delta: -52.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5825]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/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_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH --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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:20:08,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:20:08,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:20:08,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:20:08,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:20:08,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:20:08,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:20:08,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:20:08,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:20:08,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:20:08,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:20:08,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:20:08,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:20:08,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:20:08,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:20:08,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:20:08,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:20:08,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:20:08,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:20:08,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:20:08,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:20:08,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:20:08,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:20:08,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:20:08,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:20:08,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:20:08,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:20:08,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:20:08,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:20:08,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:20:08,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:20:08,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:20:08,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:20:08,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:20:08,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:20:08,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:20:08,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:20:08,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:20:08,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:20:08,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:20:08,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:20:08,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:20:08,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:20:08,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:20:08,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:20:08,590 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:20:08,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:20:08,590 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:20:08,590 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:20:08,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:20:08,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:20:08,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:20:08,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:20:08,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:20:08,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:20:08,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:20:08,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:20:08,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:20:08,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:20:08,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:20:08,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:20:08,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:20:08,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:20:08,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:20:08,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:20:08,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:20:08,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:20:08,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:20:08,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:20:08,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:20:08,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:20:08,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:20:08,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:20:08,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:20:08,598 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_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2021-11-03 05:20:08,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:20:09,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:20:09,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:20:09,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:20:09,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:20:09,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-03 05:20:09,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/657d87935/81a78c77df454e819a4315ef954d8ae4/FLAGcc0e81f48 [2021-11-03 05:20:10,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:20:10,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-03 05:20:10,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/657d87935/81a78c77df454e819a4315ef954d8ae4/FLAGcc0e81f48 [2021-11-03 05:20:10,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/data/657d87935/81a78c77df454e819a4315ef954d8ae4 [2021-11-03 05:20:10,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:20:10,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:20:10,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:20:10,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:20:10,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:20:10,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:20:10" (1/1) ... [2021-11-03 05:20:10,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171791e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:10, skipping insertion in model container [2021-11-03 05:20:10,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:20:10" (1/1) ... [2021-11-03 05:20:10,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:20:10,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:20:15,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-03 05:20:15,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-03 05:20:15,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-03 05:20:15,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-03 05:20:15,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:20:15,990 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:20:16,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:20:16,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-03 05:20:16,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-03 05:20:16,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-03 05:20:16,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-03 05:20:16,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:20:16,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:20:17,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-03 05:20:17,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-03 05:20:17,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-03 05:20:17,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-03 05:20:17,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:20:18,264 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:20:18,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18 WrapperNode [2021-11-03 05:20:18,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:20:18,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:20:18,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:20:18,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:20:18,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:18,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:19,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:20:19,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:20:19,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:20:19,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:20:19,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:19,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:19,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:19,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:20,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:21,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:21,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:21,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:20:21,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:20:21,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:20:21,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:20:21,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (1/1) ... [2021-11-03 05:20:21,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:20:21,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:20:21,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:20:21,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:20:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-03 05:20:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 05:20:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:20:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 05:20:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:20:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:20:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 05:20:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 05:20:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 05:20:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 05:20:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:20:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:20:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:20:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 05:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 05:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 05:20:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:20:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:20:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 05:20:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 05:20:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 05:20:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 05:32:18,716 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4931: assume 1bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,716 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4932: assume !(1bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,716 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4848: assume 1bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,717 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4849: assume !(1bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,717 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-1: __copy_from_user_nocheck_#t~ret1180 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1180;havoc __copy_from_user_nocheck_#t~ret1180;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~tmp___2~10[32:0]; [2021-11-03 05:32:18,717 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-7: __copy_to_user_nocheck_#t~ret1185 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1185;havoc __copy_to_user_nocheck_#t~ret1185;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~tmp___2~11[32:0]; [2021-11-03 05:32:18,717 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-3: __copy_from_user_nocheck_#t~ret1180 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1180;havoc __copy_from_user_nocheck_#t~ret1180;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~tmp___2~10[32:0]; [2021-11-03 05:32:18,718 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-5: __copy_to_user_nocheck_#t~ret1185 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1185;havoc __copy_to_user_nocheck_#t~ret1185;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~tmp___2~11[32:0]; [2021-11-03 05:32:18,718 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,718 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,718 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,718 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706-1: assume 2bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706-1: assume !(2bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710-1: assume 4bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,719 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710-1: assume !(4bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,720 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714-1: assume 8bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714-1: assume !(8bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718-1: assume 10bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718-1: assume !(10bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,722 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722-1: assume 16bv32 == __copy_from_user_nocheck_~size; [2021-11-03 05:32:18,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722-1: assume !(16bv32 == __copy_from_user_nocheck_~size); [2021-11-03 05:32:18,723 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~16); [2021-11-03 05:32:18,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~16); [2021-11-03 05:32:18,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,724 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754-1: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754-1: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769-1: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~15;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,725 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769-1: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~15);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~15;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~15);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-03 05:32:18,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,726 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815-1: assume 2bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815-1: assume !(2bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,727 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819-1: assume 4bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819-1: assume !(4bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,728 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823-1: assume 8bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823-1: assume !(8bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,729 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827-1: assume 10bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827-1: assume !(10bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,730 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831-1: assume 16bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831-1: assume !(16bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := ~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18 then 1bv32 else 0bv32)), 0bv64;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-03 05:32:18,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~16); [2021-11-03 05:32:18,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := ~zero_extendFrom32To64(copy_user_generic_~ret~16); [2021-11-03 05:32:18,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,732 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858-1: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858-1: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~16;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~16);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,733 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872-1: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~16;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872-1: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~16);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-03 05:32:18,734 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 05:32:18,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_10_returnLabel: main_#res := 0bv32; [2021-11-03 05:32:18,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5085: assume 1bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5086: assume !(1bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,735 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5034: assume 1bv32 == __copy_to_user_nocheck_~size; [2021-11-03 05:32:18,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5035: assume !(1bv32 == __copy_to_user_nocheck_~size); [2021-11-03 05:32:18,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-8: __copy_from_user_nocheck_#t~ret1179 := ldv__builtin_expect_#res;__copy_from_user_nocheck_~tmp___1~15 := __copy_from_user_nocheck_#t~ret1179;havoc __copy_from_user_nocheck_#t~ret1179; [2021-11-03 05:32:18,736 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-7: __copy_from_user_nocheck_#t~ret1178 := ldv__builtin_expect_#res;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1178;havoc __copy_from_user_nocheck_#t~ret1178; [2021-11-03 05:32:18,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-12: __copy_to_user_nocheck_#t~ret1184 := ldv__builtin_expect_#res;__copy_to_user_nocheck_~tmp___1~16 := __copy_to_user_nocheck_#t~ret1184;havoc __copy_to_user_nocheck_#t~ret1184; [2021-11-03 05:32:18,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-11: __copy_to_user_nocheck_#t~ret1183 := ldv__builtin_expect_#res;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1183;havoc __copy_to_user_nocheck_#t~ret1183; [2021-11-03 05:32:18,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-14: __copy_to_user_nocheck_#t~ret1183 := ldv__builtin_expect_#res;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1183;havoc __copy_to_user_nocheck_#t~ret1183; [2021-11-03 05:32:18,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-4: __copy_from_user_nocheck_#t~ret1179 := ldv__builtin_expect_#res;__copy_from_user_nocheck_~tmp___1~15 := __copy_from_user_nocheck_#t~ret1179;havoc __copy_from_user_nocheck_#t~ret1179; [2021-11-03 05:32:18,737 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-3: __copy_from_user_nocheck_#t~ret1178 := ldv__builtin_expect_#res;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1178;havoc __copy_from_user_nocheck_#t~ret1178; [2021-11-03 05:32:18,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-15: __copy_to_user_nocheck_#t~ret1184 := ldv__builtin_expect_#res;__copy_to_user_nocheck_~tmp___1~16 := __copy_to_user_nocheck_#t~ret1184;havoc __copy_to_user_nocheck_#t~ret1184; [2021-11-03 05:32:18,738 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L9339: #t~ret3581 := main_#res; [2021-11-03 05:32:18,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:32:18,785 INFO L299 CfgBuilder]: Removed 5383 assume(true) statements. [2021-11-03 05:32:18,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:18 BoogieIcfgContainer [2021-11-03 05:32:18,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:32:18,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:32:18,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:32:18,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:32:18,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:20:10" (1/3) ... [2021-11-03 05:32:18,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6b73d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:18, skipping insertion in model container [2021-11-03 05:32:18,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:20:18" (2/3) ... [2021-11-03 05:32:18,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6b73d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:32:18, skipping insertion in model container [2021-11-03 05:32:18,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:32:18" (3/3) ... [2021-11-03 05:32:18,800 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-03 05:32:18,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:32:18,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-03 05:32:18,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:32:18,920 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:32:18,921 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-03 05:32:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 6444 states, 6437 states have (on average 1.383719123815442) internal successors, (8907), 6443 states have internal predecessors, (8907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:19,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 05:32:19,030 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:19,031 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:32:19,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 05:32:19,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:19,037 INFO L85 PathProgramCache]: Analyzing trace with hash -94906379, now seen corresponding path program 1 times [2021-11-03 05:32:19,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:32:19,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768413569] [2021-11-03 05:32:19,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:19,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:32:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:32:19,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:32:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:32:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:32:37,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 6993 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 05:32:37,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:32:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:32:39,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:32:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:32:39,453 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:32:39,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768413569] [2021-11-03 05:32:39,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768413569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:32:39,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:32:39,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 9 [2021-11-03 05:32:39,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848920719] [2021-11-03 05:32:39,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 05:32:39,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:32:39,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 05:32:39,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-03 05:32:39,488 INFO L87 Difference]: Start difference. First operand has 6444 states, 6437 states have (on average 1.383719123815442) internal successors, (8907), 6443 states have internal predecessors, (8907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:51,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:32:51,815 INFO L93 Difference]: Finished difference Result 14452 states and 19944 transitions. [2021-11-03 05:32:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 05:32:51,816 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 05:32:51,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:32:51,884 INFO L225 Difference]: With dead ends: 14452 [2021-11-03 05:32:51,884 INFO L226 Difference]: Without dead ends: 8378 [2021-11-03 05:32:51,901 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:32:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8378 states. [2021-11-03 05:32:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8378 to 6172. [2021-11-03 05:32:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 6165 states have (on average 1.3477696674776967) internal successors, (8309), 6171 states have internal predecessors, (8309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 8309 transitions. [2021-11-03 05:32:52,166 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 8309 transitions. Word has length 34 [2021-11-03 05:32:52,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:32:52,166 INFO L470 AbstractCegarLoop]: Abstraction has 6172 states and 8309 transitions. [2021-11-03 05:32:52,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:32:52,167 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 8309 transitions. [2021-11-03 05:32:52,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:32:52,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:32:52,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:32:52,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:32:52,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:32:52,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 05:32:52,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:32:52,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1092415664, now seen corresponding path program 1 times [2021-11-03 05:32:52,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:32:52,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097429564] [2021-11-03 05:32:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:32:52,410 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:32:52,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:32:52,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:32:52,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:33:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:11,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 6998 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:33:11,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:12,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:13,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:33:13,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097429564] [2021-11-03 05:33:13,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097429564] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:13,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:13,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 05:33:13,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690997810] [2021-11-03 05:33:13,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:33:13,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:33:13,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:33:13,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:13,829 INFO L87 Difference]: Start difference. First operand 6172 states and 8309 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:14,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:14,867 INFO L93 Difference]: Finished difference Result 22435 states and 30063 transitions. [2021-11-03 05:33:14,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:14,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 05:33:14,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:14,983 INFO L225 Difference]: With dead ends: 22435 [2021-11-03 05:33:14,985 INFO L226 Difference]: Without dead ends: 17345 [2021-11-03 05:33:14,999 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:33:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17345 states. [2021-11-03 05:33:15,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17345 to 12271. [2021-11-03 05:33:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12271 states, 12264 states have (on average 1.3483365949119375) internal successors, (16536), 12270 states have internal predecessors, (16536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 16536 transitions. [2021-11-03 05:33:15,638 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 16536 transitions. Word has length 36 [2021-11-03 05:33:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:15,639 INFO L470 AbstractCegarLoop]: Abstraction has 12271 states and 16536 transitions. [2021-11-03 05:33:15,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 16536 transitions. [2021-11-03 05:33:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:33:15,641 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:15,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:15,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:15,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:33:15,870 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 05:33:15,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1685875757, now seen corresponding path program 1 times [2021-11-03 05:33:15,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:33:15,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199974974] [2021-11-03 05:33:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:15,886 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:33:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:33:15,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:33:15,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:33:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:33:34,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 6994 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:33:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:33:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:35,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:33:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:33:36,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:33:36,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199974974] [2021-11-03 05:33:36,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199974974] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:33:36,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:33:36,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-03 05:33:36,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429281978] [2021-11-03 05:33:36,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:33:36,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:33:36,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:33:36,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:33:36,634 INFO L87 Difference]: Start difference. First operand 12271 states and 16536 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:39,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:33:39,841 INFO L93 Difference]: Finished difference Result 36477 states and 49222 transitions. [2021-11-03 05:33:39,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:33:39,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 05:33:39,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:33:39,909 INFO L225 Difference]: With dead ends: 36477 [2021-11-03 05:33:39,909 INFO L226 Difference]: Without dead ends: 21352 [2021-11-03 05:33:39,935 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:33:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21352 states. [2021-11-03 05:33:40,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21352 to 18128. [2021-11-03 05:33:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18128 states, 18121 states have (on average 1.3576513437448265) internal successors, (24602), 18127 states have internal predecessors, (24602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18128 states to 18128 states and 24602 transitions. [2021-11-03 05:33:40,744 INFO L78 Accepts]: Start accepts. Automaton has 18128 states and 24602 transitions. Word has length 36 [2021-11-03 05:33:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:33:40,745 INFO L470 AbstractCegarLoop]: Abstraction has 18128 states and 24602 transitions. [2021-11-03 05:33:40,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:33:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 18128 states and 24602 transitions. [2021-11-03 05:33:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-03 05:33:40,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:33:40,754 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:33:40,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:33:40,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:33:40,970 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-03 05:33:40,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:33:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash 492278546, now seen corresponding path program 1 times [2021-11-03 05:33:40,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:33:40,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644177720] [2021-11-03 05:33:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:33:40,987 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:33:40,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:33:40,988 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:33:41,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83f24631-4d39-4846-9d1a-54b1ca96ddd9/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process