./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF --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 5d89cb3fe17476fb77f955111c8be961ec22d7c54b25abb5567bc8089a881883 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:44:59,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:44:59,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:44:59,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:44:59,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:44:59,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:44:59,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:44:59,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:44:59,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:44:59,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:44:59,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:44:59,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:44:59,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:44:59,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:44:59,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:44:59,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:44:59,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:44:59,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:44:59,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:44:59,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:44:59,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:44:59,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:44:59,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:44:59,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:44:59,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:44:59,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:44:59,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:44:59,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:44:59,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:44:59,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:44:59,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:44:59,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:44:59,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:44:59,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:44:59,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:44:59,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:44:59,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:44:59,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:44:59,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:44:59,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:44:59,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:44:59,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:44:59,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:44:59,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:44:59,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:44:59,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:44:59,754 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:44:59,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:44:59,754 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:44:59,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:44:59,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:44:59,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:44:59,763 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:44:59,763 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:44:59,763 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:44:59,764 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:44:59,764 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:44:59,764 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:44:59,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:44:59,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:44:59,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:44:59,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:44:59,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:44:59,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:44:59,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:44:59,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:44:59,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:44:59,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:44:59,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:44:59,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:44:59,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:44:59,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:44:59,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:44:59,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:44:59,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:44:59,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:44:59,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:44:59,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:44:59,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:44:59,772 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d89cb3fe17476fb77f955111c8be961ec22d7c54b25abb5567bc8089a881883 [2021-11-12 23:45:00,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:45:00,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:45:00,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:45:00,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:45:00,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:45:00,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i [2021-11-12 23:45:00,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/190abfe71/18ecf15f348c45b3a2b1409a9920b24a/FLAG0e7bd42d5 [2021-11-12 23:45:01,286 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:45:01,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i [2021-11-12 23:45:01,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/190abfe71/18ecf15f348c45b3a2b1409a9920b24a/FLAG0e7bd42d5 [2021-11-12 23:45:01,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/190abfe71/18ecf15f348c45b3a2b1409a9920b24a [2021-11-12 23:45:01,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:45:01,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:45:01,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:01,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:45:01,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:45:01,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a506614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:01, skipping insertion in model container [2021-11-12 23:45:01,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:01" (1/1) ... [2021-11-12 23:45:01,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:45:01,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:03,618 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,660 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,686 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,692 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,693 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,754 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,766 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,772 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,784 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,789 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,810 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:03,842 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,409 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,410 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,413 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,414 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,414 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,415 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,416 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,416 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,417 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,417 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,498 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,503 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,504 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,505 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,507 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:04,785 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:05,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:05,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:45:05,899 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391473,391486] [2021-11-12 23:45:05,903 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391618,391631] [2021-11-12 23:45:05,904 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391764,391777] [2021-11-12 23:45:05,904 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391929,391942] [2021-11-12 23:45:05,905 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392087,392100] [2021-11-12 23:45:05,905 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392245,392258] [2021-11-12 23:45:05,905 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392403,392416] [2021-11-12 23:45:05,906 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392563,392576] [2021-11-12 23:45:05,907 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392722,392735] [2021-11-12 23:45:05,907 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392861,392874] [2021-11-12 23:45:05,908 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393003,393016] [2021-11-12 23:45:05,908 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393152,393165] [2021-11-12 23:45:05,914 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393291,393304] [2021-11-12 23:45:05,915 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393446,393459] [2021-11-12 23:45:05,916 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393606,393619] [2021-11-12 23:45:05,916 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393757,393770] [2021-11-12 23:45:05,917 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393908,393921] [2021-11-12 23:45:05,917 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394060,394073] [2021-11-12 23:45:05,919 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394209,394222] [2021-11-12 23:45:05,919 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394357,394370] [2021-11-12 23:45:05,919 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394514,394527] [2021-11-12 23:45:05,920 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394663,394676] [2021-11-12 23:45:05,920 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394819,394832] [2021-11-12 23:45:05,921 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394972,394985] [2021-11-12 23:45:05,921 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395118,395131] [2021-11-12 23:45:05,922 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395261,395274] [2021-11-12 23:45:05,922 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395413,395426] [2021-11-12 23:45:05,923 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395559,395572] [2021-11-12 23:45:05,923 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395704,395717] [2021-11-12 23:45:05,925 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395858,395871] [2021-11-12 23:45:05,925 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396009,396022] [2021-11-12 23:45:05,926 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396164,396177] [2021-11-12 23:45:05,926 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396316,396329] [2021-11-12 23:45:05,926 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396471,396484] [2021-11-12 23:45:05,927 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396635,396648] [2021-11-12 23:45:05,927 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396791,396804] [2021-11-12 23:45:05,928 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396955,396968] [2021-11-12 23:45:05,928 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397097,397110] [2021-11-12 23:45:05,928 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397255,397268] [2021-11-12 23:45:05,929 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397422,397435] [2021-11-12 23:45:05,930 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397581,397594] [2021-11-12 23:45:05,930 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397740,397753] [2021-11-12 23:45:05,931 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397889,397902] [2021-11-12 23:45:05,932 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398036,398049] [2021-11-12 23:45:05,933 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398175,398188] [2021-11-12 23:45:05,933 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398338,398351] [2021-11-12 23:45:05,935 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398504,398517] [2021-11-12 23:45:05,937 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398668,398681] [2021-11-12 23:45:05,937 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398833,398846] [2021-11-12 23:45:05,938 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398998,399011] [2021-11-12 23:45:05,939 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399164,399177] [2021-11-12 23:45:05,941 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399329,399342] [2021-11-12 23:45:05,942 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399496,399509] [2021-11-12 23:45:05,943 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399656,399669] [2021-11-12 23:45:05,943 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399818,399831] [2021-11-12 23:45:05,944 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399977,399990] [2021-11-12 23:45:05,944 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400123,400136] [2021-11-12 23:45:05,945 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400266,400279] [2021-11-12 23:45:05,945 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400410,400423] [2021-11-12 23:45:05,946 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400553,400566] [2021-11-12 23:45:05,947 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400697,400710] [2021-11-12 23:45:05,948 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400838,400851] [2021-11-12 23:45:05,948 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400976,400989] [2021-11-12 23:45:05,949 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401134,401147] [2021-11-12 23:45:05,950 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401293,401306] [2021-11-12 23:45:05,950 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401449,401462] [2021-11-12 23:45:05,951 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401598,401611] [2021-11-12 23:45:05,951 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401750,401763] [2021-11-12 23:45:05,951 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401901,401914] [2021-11-12 23:45:05,952 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402050,402063] [2021-11-12 23:45:05,952 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402202,402215] [2021-11-12 23:45:05,954 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402350,402363] [2021-11-12 23:45:05,954 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402503,402516] [2021-11-12 23:45:05,955 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402654,402667] [2021-11-12 23:45:05,955 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402804,402817] [2021-11-12 23:45:05,955 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402951,402964] [2021-11-12 23:45:05,956 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403102,403115] [2021-11-12 23:45:05,957 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403253,403266] [2021-11-12 23:45:05,957 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403401,403414] [2021-11-12 23:45:05,958 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403567,403580] [2021-11-12 23:45:05,958 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403736,403749] [2021-11-12 23:45:05,959 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403903,403916] [2021-11-12 23:45:05,960 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404071,404084] [2021-11-12 23:45:05,960 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404221,404234] [2021-11-12 23:45:05,961 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404368,404381] [2021-11-12 23:45:05,962 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404529,404542] [2021-11-12 23:45:05,963 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404699,404712] [2021-11-12 23:45:05,963 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404861,404874] [2021-11-12 23:45:05,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:06,047 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) [2021-11-12 23:45:06,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@176ccce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:06, skipping insertion in model container [2021-11-12 23:45:06,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:06,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:45:06,055 INFO L158 Benchmark]: Toolchain (without parser) took 4407.23ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 71.5MB in the beginning and 74.5MB in the end (delta: -3.0MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2021-11-12 23:45:06,056 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:45:06,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4404.23ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 71.5MB in the beginning and 74.5MB in the end (delta: -3.0MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2021-11-12 23:45:06,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4404.23ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 71.5MB in the beginning and 74.5MB in the end (delta: -3.0MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4405]: 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF --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 5d89cb3fe17476fb77f955111c8be961ec22d7c54b25abb5567bc8089a881883 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:45:08,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:45:08,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:45:08,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:45:08,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:45:08,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:45:08,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:45:08,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:45:08,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:45:08,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:45:08,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:45:08,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:45:08,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:45:08,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:45:08,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:45:08,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:45:08,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:45:08,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:45:08,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:45:08,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:45:08,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:45:08,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:45:08,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:45:08,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:45:08,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:45:08,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:45:08,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:45:08,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:45:08,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:45:08,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:45:08,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:45:08,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:45:08,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:45:08,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:45:08,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:45:08,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:45:08,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:45:08,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:45:08,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:45:08,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:45:08,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:45:08,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:45:08,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:45:08,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:45:08,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:45:08,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:45:08,601 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:45:08,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:45:08,601 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:45:08,601 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:45:08,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:45:08,602 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:45:08,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:45:08,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:45:08,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:45:08,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:45:08,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:45:08,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:45:08,606 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:45:08,606 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:45:08,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:45:08,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:45:08,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:45:08,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:45:08,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:45:08,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:45:08,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:45:08,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:45:08,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:45:08,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:45:08,609 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:45:08,609 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:45:08,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:45:08,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:45:08,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:45:08,610 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d89cb3fe17476fb77f955111c8be961ec22d7c54b25abb5567bc8089a881883 [2021-11-12 23:45:08,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:45:08,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:45:09,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:45:09,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:45:09,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:45:09,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i [2021-11-12 23:45:09,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/c8fa2dfa4/cdc55fc3f7d44cde80fcd6b8c6ded9fa/FLAGbdbc4cd2c [2021-11-12 23:45:10,203 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:45:10,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i [2021-11-12 23:45:10,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/c8fa2dfa4/cdc55fc3f7d44cde80fcd6b8c6ded9fa/FLAGbdbc4cd2c [2021-11-12 23:45:10,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/data/c8fa2dfa4/cdc55fc3f7d44cde80fcd6b8c6ded9fa [2021-11-12 23:45:10,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:45:10,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:45:10,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:10,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:45:10,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:45:10,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:10" (1/1) ... [2021-11-12 23:45:10,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dce3c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:10, skipping insertion in model container [2021-11-12 23:45:10,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:45:10" (1/1) ... [2021-11-12 23:45:10,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:45:10,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:14,575 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391473,391486] [2021-11-12 23:45:14,578 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391618,391631] [2021-11-12 23:45:14,578 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391764,391777] [2021-11-12 23:45:14,579 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391929,391942] [2021-11-12 23:45:14,579 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392087,392100] [2021-11-12 23:45:14,580 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392245,392258] [2021-11-12 23:45:14,580 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392403,392416] [2021-11-12 23:45:14,581 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392563,392576] [2021-11-12 23:45:14,581 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392722,392735] [2021-11-12 23:45:14,582 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392861,392874] [2021-11-12 23:45:14,582 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393003,393016] [2021-11-12 23:45:14,582 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393152,393165] [2021-11-12 23:45:14,583 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393291,393304] [2021-11-12 23:45:14,583 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393446,393459] [2021-11-12 23:45:14,584 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393606,393619] [2021-11-12 23:45:14,584 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393757,393770] [2021-11-12 23:45:14,585 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393908,393921] [2021-11-12 23:45:14,585 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394060,394073] [2021-11-12 23:45:14,586 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394209,394222] [2021-11-12 23:45:14,586 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394357,394370] [2021-11-12 23:45:14,587 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394514,394527] [2021-11-12 23:45:14,587 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394663,394676] [2021-11-12 23:45:14,588 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394819,394832] [2021-11-12 23:45:14,588 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394972,394985] [2021-11-12 23:45:14,589 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395118,395131] [2021-11-12 23:45:14,589 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395261,395274] [2021-11-12 23:45:14,589 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395413,395426] [2021-11-12 23:45:14,590 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395559,395572] [2021-11-12 23:45:14,590 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395704,395717] [2021-11-12 23:45:14,591 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395858,395871] [2021-11-12 23:45:14,591 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396009,396022] [2021-11-12 23:45:14,592 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396164,396177] [2021-11-12 23:45:14,592 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396316,396329] [2021-11-12 23:45:14,593 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396471,396484] [2021-11-12 23:45:14,593 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396635,396648] [2021-11-12 23:45:14,594 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396791,396804] [2021-11-12 23:45:14,594 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396955,396968] [2021-11-12 23:45:14,595 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397097,397110] [2021-11-12 23:45:14,595 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397255,397268] [2021-11-12 23:45:14,595 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397422,397435] [2021-11-12 23:45:14,596 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397581,397594] [2021-11-12 23:45:14,596 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397740,397753] [2021-11-12 23:45:14,597 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397889,397902] [2021-11-12 23:45:14,597 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398036,398049] [2021-11-12 23:45:14,598 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398175,398188] [2021-11-12 23:45:14,598 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398338,398351] [2021-11-12 23:45:14,598 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398504,398517] [2021-11-12 23:45:14,599 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398668,398681] [2021-11-12 23:45:14,599 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398833,398846] [2021-11-12 23:45:14,600 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398998,399011] [2021-11-12 23:45:14,600 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399164,399177] [2021-11-12 23:45:14,600 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399329,399342] [2021-11-12 23:45:14,601 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399496,399509] [2021-11-12 23:45:14,601 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399656,399669] [2021-11-12 23:45:14,602 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399818,399831] [2021-11-12 23:45:14,602 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399977,399990] [2021-11-12 23:45:14,603 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400123,400136] [2021-11-12 23:45:14,603 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400266,400279] [2021-11-12 23:45:14,603 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400410,400423] [2021-11-12 23:45:14,604 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400553,400566] [2021-11-12 23:45:14,604 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400697,400710] [2021-11-12 23:45:14,605 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400838,400851] [2021-11-12 23:45:14,605 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400976,400989] [2021-11-12 23:45:14,605 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401134,401147] [2021-11-12 23:45:14,606 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401293,401306] [2021-11-12 23:45:14,606 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401449,401462] [2021-11-12 23:45:14,607 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401598,401611] [2021-11-12 23:45:14,607 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401750,401763] [2021-11-12 23:45:14,607 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401901,401914] [2021-11-12 23:45:14,608 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402050,402063] [2021-11-12 23:45:14,608 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402202,402215] [2021-11-12 23:45:14,609 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402350,402363] [2021-11-12 23:45:14,609 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402503,402516] [2021-11-12 23:45:14,610 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402654,402667] [2021-11-12 23:45:14,610 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402804,402817] [2021-11-12 23:45:14,610 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402951,402964] [2021-11-12 23:45:14,611 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403102,403115] [2021-11-12 23:45:14,611 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403253,403266] [2021-11-12 23:45:14,612 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403401,403414] [2021-11-12 23:45:14,612 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403567,403580] [2021-11-12 23:45:14,612 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403736,403749] [2021-11-12 23:45:14,613 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403903,403916] [2021-11-12 23:45:14,613 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404071,404084] [2021-11-12 23:45:14,614 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404221,404234] [2021-11-12 23:45:14,614 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404368,404381] [2021-11-12 23:45:14,615 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404529,404542] [2021-11-12 23:45:14,615 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404699,404712] [2021-11-12 23:45:14,615 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404861,404874] [2021-11-12 23:45:14,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:14,695 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:45:14,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:45:15,082 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391473,391486] [2021-11-12 23:45:15,083 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391618,391631] [2021-11-12 23:45:15,083 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391764,391777] [2021-11-12 23:45:15,084 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391929,391942] [2021-11-12 23:45:15,084 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392087,392100] [2021-11-12 23:45:15,086 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392245,392258] [2021-11-12 23:45:15,086 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392403,392416] [2021-11-12 23:45:15,087 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392563,392576] [2021-11-12 23:45:15,087 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392722,392735] [2021-11-12 23:45:15,087 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392861,392874] [2021-11-12 23:45:15,088 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393003,393016] [2021-11-12 23:45:15,088 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393152,393165] [2021-11-12 23:45:15,089 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393291,393304] [2021-11-12 23:45:15,089 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393446,393459] [2021-11-12 23:45:15,090 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393606,393619] [2021-11-12 23:45:15,090 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393757,393770] [2021-11-12 23:45:15,092 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393908,393921] [2021-11-12 23:45:15,093 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394060,394073] [2021-11-12 23:45:15,093 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394209,394222] [2021-11-12 23:45:15,094 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394357,394370] [2021-11-12 23:45:15,094 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394514,394527] [2021-11-12 23:45:15,095 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394663,394676] [2021-11-12 23:45:15,096 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394819,394832] [2021-11-12 23:45:15,096 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394972,394985] [2021-11-12 23:45:15,097 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395118,395131] [2021-11-12 23:45:15,097 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395261,395274] [2021-11-12 23:45:15,097 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395413,395426] [2021-11-12 23:45:15,098 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395559,395572] [2021-11-12 23:45:15,098 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395704,395717] [2021-11-12 23:45:15,099 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395858,395871] [2021-11-12 23:45:15,099 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396009,396022] [2021-11-12 23:45:15,100 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396164,396177] [2021-11-12 23:45:15,100 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396316,396329] [2021-11-12 23:45:15,101 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396471,396484] [2021-11-12 23:45:15,101 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396635,396648] [2021-11-12 23:45:15,101 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396791,396804] [2021-11-12 23:45:15,102 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396955,396968] [2021-11-12 23:45:15,103 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397097,397110] [2021-11-12 23:45:15,103 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397255,397268] [2021-11-12 23:45:15,104 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397422,397435] [2021-11-12 23:45:15,105 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397581,397594] [2021-11-12 23:45:15,106 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397740,397753] [2021-11-12 23:45:15,106 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397889,397902] [2021-11-12 23:45:15,106 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398036,398049] [2021-11-12 23:45:15,107 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398175,398188] [2021-11-12 23:45:15,108 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398338,398351] [2021-11-12 23:45:15,108 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398504,398517] [2021-11-12 23:45:15,108 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398668,398681] [2021-11-12 23:45:15,119 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398833,398846] [2021-11-12 23:45:15,122 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398998,399011] [2021-11-12 23:45:15,123 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399164,399177] [2021-11-12 23:45:15,124 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399329,399342] [2021-11-12 23:45:15,124 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399496,399509] [2021-11-12 23:45:15,124 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399656,399669] [2021-11-12 23:45:15,125 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399818,399831] [2021-11-12 23:45:15,126 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399977,399990] [2021-11-12 23:45:15,126 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400123,400136] [2021-11-12 23:45:15,127 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400266,400279] [2021-11-12 23:45:15,128 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400410,400423] [2021-11-12 23:45:15,128 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400553,400566] [2021-11-12 23:45:15,129 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400697,400710] [2021-11-12 23:45:15,130 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400838,400851] [2021-11-12 23:45:15,131 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400976,400989] [2021-11-12 23:45:15,131 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401134,401147] [2021-11-12 23:45:15,132 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401293,401306] [2021-11-12 23:45:15,133 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401449,401462] [2021-11-12 23:45:15,133 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401598,401611] [2021-11-12 23:45:15,134 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401750,401763] [2021-11-12 23:45:15,134 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401901,401914] [2021-11-12 23:45:15,139 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402050,402063] [2021-11-12 23:45:15,139 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402202,402215] [2021-11-12 23:45:15,140 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402350,402363] [2021-11-12 23:45:15,140 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402503,402516] [2021-11-12 23:45:15,140 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402654,402667] [2021-11-12 23:45:15,141 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402804,402817] [2021-11-12 23:45:15,141 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402951,402964] [2021-11-12 23:45:15,142 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403102,403115] [2021-11-12 23:45:15,143 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403253,403266] [2021-11-12 23:45:15,143 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403401,403414] [2021-11-12 23:45:15,144 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403567,403580] [2021-11-12 23:45:15,145 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403736,403749] [2021-11-12 23:45:15,145 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403903,403916] [2021-11-12 23:45:15,146 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404071,404084] [2021-11-12 23:45:15,146 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404221,404234] [2021-11-12 23:45:15,147 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404368,404381] [2021-11-12 23:45:15,147 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404529,404542] [2021-11-12 23:45:15,148 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404699,404712] [2021-11-12 23:45:15,148 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404861,404874] [2021-11-12 23:45:15,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:15,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:45:15,739 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391473,391486] [2021-11-12 23:45:15,742 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391618,391631] [2021-11-12 23:45:15,742 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391764,391777] [2021-11-12 23:45:15,743 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[391929,391942] [2021-11-12 23:45:15,743 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392087,392100] [2021-11-12 23:45:15,743 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392245,392258] [2021-11-12 23:45:15,745 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392403,392416] [2021-11-12 23:45:15,745 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392563,392576] [2021-11-12 23:45:15,745 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392722,392735] [2021-11-12 23:45:15,746 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[392861,392874] [2021-11-12 23:45:15,746 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393003,393016] [2021-11-12 23:45:15,746 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393152,393165] [2021-11-12 23:45:15,747 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393291,393304] [2021-11-12 23:45:15,747 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393446,393459] [2021-11-12 23:45:15,747 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393606,393619] [2021-11-12 23:45:15,748 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393757,393770] [2021-11-12 23:45:15,748 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[393908,393921] [2021-11-12 23:45:15,748 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394060,394073] [2021-11-12 23:45:15,749 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394209,394222] [2021-11-12 23:45:15,749 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394357,394370] [2021-11-12 23:45:15,750 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394514,394527] [2021-11-12 23:45:15,750 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394663,394676] [2021-11-12 23:45:15,750 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394819,394832] [2021-11-12 23:45:15,751 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[394972,394985] [2021-11-12 23:45:15,751 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395118,395131] [2021-11-12 23:45:15,751 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395261,395274] [2021-11-12 23:45:15,753 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395413,395426] [2021-11-12 23:45:15,754 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395559,395572] [2021-11-12 23:45:15,754 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395704,395717] [2021-11-12 23:45:15,754 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[395858,395871] [2021-11-12 23:45:15,755 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396009,396022] [2021-11-12 23:45:15,755 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396164,396177] [2021-11-12 23:45:15,755 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396316,396329] [2021-11-12 23:45:15,756 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396471,396484] [2021-11-12 23:45:15,756 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396635,396648] [2021-11-12 23:45:15,756 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396791,396804] [2021-11-12 23:45:15,757 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[396955,396968] [2021-11-12 23:45:15,757 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397097,397110] [2021-11-12 23:45:15,757 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397255,397268] [2021-11-12 23:45:15,758 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397422,397435] [2021-11-12 23:45:15,758 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397581,397594] [2021-11-12 23:45:15,759 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397740,397753] [2021-11-12 23:45:15,759 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[397889,397902] [2021-11-12 23:45:15,761 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398036,398049] [2021-11-12 23:45:15,761 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398175,398188] [2021-11-12 23:45:15,762 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398338,398351] [2021-11-12 23:45:15,762 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398504,398517] [2021-11-12 23:45:15,762 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398668,398681] [2021-11-12 23:45:15,763 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398833,398846] [2021-11-12 23:45:15,763 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[398998,399011] [2021-11-12 23:45:15,764 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399164,399177] [2021-11-12 23:45:15,764 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399329,399342] [2021-11-12 23:45:15,765 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399496,399509] [2021-11-12 23:45:15,765 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399656,399669] [2021-11-12 23:45:15,765 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399818,399831] [2021-11-12 23:45:15,766 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[399977,399990] [2021-11-12 23:45:15,766 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400123,400136] [2021-11-12 23:45:15,766 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400266,400279] [2021-11-12 23:45:15,767 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400410,400423] [2021-11-12 23:45:15,767 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400553,400566] [2021-11-12 23:45:15,767 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400697,400710] [2021-11-12 23:45:15,768 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400838,400851] [2021-11-12 23:45:15,768 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[400976,400989] [2021-11-12 23:45:15,768 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401134,401147] [2021-11-12 23:45:15,769 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401293,401306] [2021-11-12 23:45:15,769 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401449,401462] [2021-11-12 23:45:15,769 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401598,401611] [2021-11-12 23:45:15,770 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401750,401763] [2021-11-12 23:45:15,770 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[401901,401914] [2021-11-12 23:45:15,770 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402050,402063] [2021-11-12 23:45:15,771 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402202,402215] [2021-11-12 23:45:15,771 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402350,402363] [2021-11-12 23:45:15,771 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402503,402516] [2021-11-12 23:45:15,772 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402654,402667] [2021-11-12 23:45:15,772 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402804,402817] [2021-11-12 23:45:15,773 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[402951,402964] [2021-11-12 23:45:15,773 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403102,403115] [2021-11-12 23:45:15,773 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403253,403266] [2021-11-12 23:45:15,774 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403401,403414] [2021-11-12 23:45:15,775 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403567,403580] [2021-11-12 23:45:15,781 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403736,403749] [2021-11-12 23:45:15,785 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[403903,403916] [2021-11-12 23:45:15,785 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404071,404084] [2021-11-12 23:45:15,786 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404221,404234] [2021-11-12 23:45:15,786 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404368,404381] [2021-11-12 23:45:15,786 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404529,404542] [2021-11-12 23:45:15,787 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404699,404712] [2021-11-12 23:45:15,787 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_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i[404861,404874] [2021-11-12 23:45:15,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:45:16,220 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:45:16,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16 WrapperNode [2021-11-12 23:45:16,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:45:16,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:16,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:45:16,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:45:16,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:45:16,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:45:16,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:45:16,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:45:16,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:16,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:17,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:45:17,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:45:17,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:45:17,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:45:17,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (1/1) ... [2021-11-12 23:45:17,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:45:17,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:45:17,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:45:17,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:45:17,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:45:17,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:45:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_init [2021-11-12 23:45:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_init [2021-11-12 23:45:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:45:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:45:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:45:17,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:45:17,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:45:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:45:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-12 23:45:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-12 23:45:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-12 23:45:17,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-12 23:45:17,118 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_get_pkt_len [2021-11-12 23:45:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_get_pkt_len [2021-11-12 23:45:17,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:45:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:45:17,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:45:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:45:17,119 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_read_data [2021-11-12 23:45:17,119 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_read_data [2021-11-12 23:45:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-12 23:45:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-12 23:45:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_get_pkt_len [2021-11-12 23:45:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_get_pkt_len [2021-11-12 23:45:17,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_input_dev [2021-11-12 23:45:17,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_input_dev [2021-11-12 23:45:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:45:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:45:17,121 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_read_data [2021-11-12 23:45:17,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_read_data [2021-11-12 23:45:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:45:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:45:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:45:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:45:17,122 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_init [2021-11-12 23:45:17,122 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_init [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2021-11-12 23:45:17,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:45:17,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:45:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_input_dev [2021-11-12 23:45:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_input_dev [2021-11-12 23:45:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:45:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:45:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:45:17,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:45:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_read_data [2021-11-12 23:45:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_read_data [2021-11-12 23:45:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:45:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:45:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2021-11-12 23:45:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2021-11-12 23:45:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-12 23:45:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-12 23:45:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_init [2021-11-12 23:45:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_init [2021-11-12 23:45:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:45:17,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:45:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:45:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:45:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:45:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:45:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-12 23:45:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-12 23:45:17,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:45:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:45:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:45:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:45:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:45:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:45:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:45:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:45:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-12 23:45:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-12 23:45:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:45:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:45:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-12 23:45:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-12 23:45:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:45:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:45:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure panjit_read_data [2021-11-12 23:45:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure panjit_read_data [2021-11-12 23:45:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_alloc [2021-11-12 23:45:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_alloc [2021-11-12 23:45:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:45:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:45:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:45:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:45:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_get_pkt_len [2021-11-12 23:45:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_get_pkt_len [2021-11-12 23:45:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:45:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure elo_read_data [2021-11-12 23:45:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure elo_read_data [2021-11-12 23:45:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2021-11-12 23:45:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2021-11-12 23:45:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure general_touch_read_data [2021-11-12 23:45:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure general_touch_read_data [2021-11-12 23:45:17,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:45:17,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:45:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:45:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:45:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:45:17,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:45:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:45:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:45:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-12 23:45:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-12 23:45:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-12 23:45:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-12 23:45:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-12 23:45:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-12 23:45:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:45:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:45:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:45:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-12 23:45:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-12 23:45:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:45:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:45:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:45:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-12 23:45:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-12 23:45:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:45:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:45:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:45:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:45:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:45:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:45:17,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:45:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2021-11-12 23:45:17,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2021-11-12 23:45:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-12 23:45:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-12 23:45:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-12 23:45:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-12 23:45:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure zytronic_read_data [2021-11-12 23:45:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure zytronic_read_data [2021-11-12 23:45:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:45:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:45:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure gunze_read_data [2021-11-12 23:45:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure gunze_read_data [2021-11-12 23:45:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2021-11-12 23:45:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2021-11-12 23:45:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:45:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:45:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure tc45usb_read_data [2021-11-12 23:45:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tc45usb_read_data [2021-11-12 23:45:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-12 23:45:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-12 23:45:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:45:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:45:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_exit [2021-11-12 23:45:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_exit [2021-11-12 23:45:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:45:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:45:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:45:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_init [2021-11-12 23:45:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_init [2021-11-12 23:45:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:45:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure gotop_read_data [2021-11-12 23:45:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure gotop_read_data [2021-11-12 23:45:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:45:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:45:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:45:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:45:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-12 23:45:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-12 23:45:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-11-12 23:45:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-11-12 23:45:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:45:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure jastec_read_data [2021-11-12 23:45:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure jastec_read_data [2021-11-12 23:45:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_get_pkt_len [2021-11-12 23:45:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_get_pkt_len [2021-11-12 23:45:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_read_data [2021-11-12 23:45:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_read_data [2021-11-12 23:45:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:45:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:45:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:45:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:45:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:45:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:45:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2021-11-12 23:45:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2021-11-12 23:45:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-12 23:45:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-12 23:45:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:45:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:45:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2021-11-12 23:45:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2021-11-12 23:45:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:45:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:45:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-11-12 23:45:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-11-12 23:45:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-12 23:45:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-12 23:45:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-12 23:45:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-12 23:45:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-12 23:45:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-12 23:45:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:45:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:45:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:45:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:45:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:45:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:45:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure itm_read_data [2021-11-12 23:45:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure itm_read_data [2021-11-12 23:45:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-12 23:45:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-12 23:45:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:45:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:45:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:45:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:45:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:45:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:45:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:45:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:45:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2021-11-12 23:45:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2021-11-12 23:45:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:45:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:45:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:45:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:45:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:45:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:45:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:45:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:45:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:45:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:45:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-12 23:45:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-12 23:45:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:45:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:45:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_read_data [2021-11-12 23:45:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_read_data [2021-11-12 23:45:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:45:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:45:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2021-11-12 23:45:17,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2021-11-12 23:45:17,160 INFO L130 BoogieDeclarations]: Found specification of procedure irtouch_read_data [2021-11-12 23:45:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure irtouch_read_data [2021-11-12 23:45:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_read_data [2021-11-12 23:45:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_read_data [2021-11-12 23:45:18,812 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:46:23,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:46:23,504 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:46:23,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:46:23 BoogieIcfgContainer [2021-11-12 23:46:23,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:46:23,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:46:23,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:46:23,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:46:23,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:45:10" (1/3) ... [2021-11-12 23:46:23,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb6670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:46:23, skipping insertion in model container [2021-11-12 23:46:23,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:45:16" (2/3) ... [2021-11-12 23:46:23,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb6670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:46:23, skipping insertion in model container [2021-11-12 23:46:23,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:46:23" (3/3) ... [2021-11-12 23:46:23,520 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--touchscreen--usbtouchscreen.ko.cil.i [2021-11-12 23:46:23,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:46:23,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-12 23:46:23,595 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:46:23,601 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 [2021-11-12 23:46:23,602 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-12 23:46:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 2071 states, 1363 states have (on average 1.2912692589875274) internal successors, (1760), 1472 states have internal predecessors, (1760), 570 states have call successors, (570), 109 states have call predecessors, (570), 108 states have return successors, (550), 513 states have call predecessors, (550), 550 states have call successors, (550) [2021-11-12 23:46:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:46:23,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:23,691 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-12 23:46:23,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:23,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:23,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1305141516, now seen corresponding path program 1 times [2021-11-12 23:46:23,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:23,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57160544] [2021-11-12 23:46:23,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:23,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:23,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:23,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:23,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:46:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:27,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2500 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:27,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:27,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:28,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:28,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57160544] [2021-11-12 23:46:28,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57160544] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:28,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:28,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:28,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570745281] [2021-11-12 23:46:28,388 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:28,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:28,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:28,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:28,443 INFO L87 Difference]: Start difference. First operand has 2071 states, 1363 states have (on average 1.2912692589875274) internal successors, (1760), 1472 states have internal predecessors, (1760), 570 states have call successors, (570), 109 states have call predecessors, (570), 108 states have return successors, (550), 513 states have call predecessors, (550), 550 states have call successors, (550) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:46:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:28,871 INFO L93 Difference]: Finished difference Result 4094 states and 5863 transitions. [2021-11-12 23:46:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 71 [2021-11-12 23:46:28,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:28,911 INFO L225 Difference]: With dead ends: 4094 [2021-11-12 23:46:28,911 INFO L226 Difference]: Without dead ends: 2038 [2021-11-12 23:46:28,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:28,936 INFO L933 BasicCegarLoop]: 2844 mSDtfsCounter, 2792 mSDsluCounter, 5684 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 8528 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:28,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 8528 Invalid, 2 Unknown, 0 Unchecked, 63.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.31ms Time] [2021-11-12 23:46:28,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-11-12 23:46:29,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2021-11-12 23:46:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1353 states have (on average 1.2564671101256466) internal successors, (1700), 1442 states have internal predecessors, (1700), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2798 transitions. [2021-11-12 23:46:29,189 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2798 transitions. Word has length 71 [2021-11-12 23:46:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:29,191 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 2798 transitions. [2021-11-12 23:46:29,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:46:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2798 transitions. [2021-11-12 23:46:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-12 23:46:29,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:29,197 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-12 23:46:29,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:29,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:29,419 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:29,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:29,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1012043921, now seen corresponding path program 1 times [2021-11-12 23:46:29,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:29,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938535797] [2021-11-12 23:46:29,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:29,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:29,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:29,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:46:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:32,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:32,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:33,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:33,690 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:33,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938535797] [2021-11-12 23:46:33,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938535797] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:33,690 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:33,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:33,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613362746] [2021-11-12 23:46:33,691 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:33,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:33,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:33,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:33,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:33,695 INFO L87 Difference]: Start difference. First operand 2038 states and 2798 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:46:33,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:33,900 INFO L93 Difference]: Finished difference Result 2038 states and 2798 transitions. [2021-11-12 23:46:33,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:33,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 77 [2021-11-12 23:46:33,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:33,929 INFO L225 Difference]: With dead ends: 2038 [2021-11-12 23:46:33,930 INFO L226 Difference]: Without dead ends: 2036 [2021-11-12 23:46:33,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:33,933 INFO L933 BasicCegarLoop]: 2794 mSDtfsCounter, 2739 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 5586 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.56ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:33,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2741 Valid, 5586 Invalid, 2 Unknown, 0 Unchecked, 22.84ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.56ms Time] [2021-11-12 23:46:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2021-11-12 23:46:34,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 2036. [2021-11-12 23:46:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1352 states have (on average 1.2559171597633136) internal successors, (1698), 1440 states have internal predecessors, (1698), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:34,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2796 transitions. [2021-11-12 23:46:34,110 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2796 transitions. Word has length 77 [2021-11-12 23:46:34,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:34,111 INFO L470 AbstractCegarLoop]: Abstraction has 2036 states and 2796 transitions. [2021-11-12 23:46:34,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:46:34,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2796 transitions. [2021-11-12 23:46:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 23:46:34,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:34,114 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-12 23:46:34,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:34,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:34,327 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:34,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:34,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1947864541, now seen corresponding path program 1 times [2021-11-12 23:46:34,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:34,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378629657] [2021-11-12 23:46:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:34,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:34,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:34,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:34,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:46:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:37,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:37,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:37,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:38,355 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:38,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378629657] [2021-11-12 23:46:38,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378629657] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:38,355 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:38,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:38,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931662454] [2021-11-12 23:46:38,356 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:38,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:38,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:38,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:38,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:38,358 INFO L87 Difference]: Start difference. First operand 2036 states and 2796 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:46:38,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:38,564 INFO L93 Difference]: Finished difference Result 2036 states and 2796 transitions. [2021-11-12 23:46:38,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:38,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 83 [2021-11-12 23:46:38,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:38,583 INFO L225 Difference]: With dead ends: 2036 [2021-11-12 23:46:38,583 INFO L226 Difference]: Without dead ends: 2034 [2021-11-12 23:46:38,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:38,586 INFO L933 BasicCegarLoop]: 2792 mSDtfsCounter, 2728 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 8372 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:38,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2730 Valid, 8372 Invalid, 2 Unknown, 0 Unchecked, 34.54ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.97ms Time] [2021-11-12 23:46:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2021-11-12 23:46:38,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2034. [2021-11-12 23:46:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1351 states have (on average 1.2553663952627683) internal successors, (1696), 1438 states have internal predecessors, (1696), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2794 transitions. [2021-11-12 23:46:38,747 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2794 transitions. Word has length 83 [2021-11-12 23:46:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:38,748 INFO L470 AbstractCegarLoop]: Abstraction has 2034 states and 2794 transitions. [2021-11-12 23:46:38,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:46:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2794 transitions. [2021-11-12 23:46:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-12 23:46:38,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:38,760 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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] [2021-11-12 23:46:38,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:38,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:38,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:38,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash -665738885, now seen corresponding path program 1 times [2021-11-12 23:46:38,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:38,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965916591] [2021-11-12 23:46:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:38,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:38,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:38,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:46:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2527 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:41,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:42,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:42,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:42,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965916591] [2021-11-12 23:46:42,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965916591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:42,932 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:42,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:42,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541110065] [2021-11-12 23:46:42,933 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:42,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:42,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:42,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:42,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:42,935 INFO L87 Difference]: Start difference. First operand 2034 states and 2794 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:46:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:43,182 INFO L93 Difference]: Finished difference Result 2034 states and 2794 transitions. [2021-11-12 23:46:43,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 89 [2021-11-12 23:46:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:43,204 INFO L225 Difference]: With dead ends: 2034 [2021-11-12 23:46:43,205 INFO L226 Difference]: Without dead ends: 2032 [2021-11-12 23:46:43,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:43,208 INFO L933 BasicCegarLoop]: 2790 mSDtfsCounter, 2720 mSDsluCounter, 5576 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2722 SdHoareTripleChecker+Valid, 8366 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:43,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2722 Valid, 8366 Invalid, 2 Unknown, 0 Unchecked, 30.71ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.47ms Time] [2021-11-12 23:46:43,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2021-11-12 23:46:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2032. [2021-11-12 23:46:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1350 states have (on average 1.2548148148148148) internal successors, (1694), 1436 states have internal predecessors, (1694), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2792 transitions. [2021-11-12 23:46:43,352 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2792 transitions. Word has length 89 [2021-11-12 23:46:43,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:43,353 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2792 transitions. [2021-11-12 23:46:43,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:46:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2792 transitions. [2021-11-12 23:46:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-12 23:46:43,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:43,359 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1] [2021-11-12 23:46:43,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:43,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:43,574 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:43,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1389167332, now seen corresponding path program 1 times [2021-11-12 23:46:43,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:43,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314621841] [2021-11-12 23:46:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:43,579 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:43,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:43,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:43,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:46:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:46,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 2536 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:46,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:47,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:47,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:47,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314621841] [2021-11-12 23:46:47,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314621841] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:47,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:47,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:47,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367922348] [2021-11-12 23:46:47,784 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:47,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:47,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:47,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:47,786 INFO L87 Difference]: Start difference. First operand 2032 states and 2792 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:47,977 INFO L93 Difference]: Finished difference Result 2032 states and 2792 transitions. [2021-11-12 23:46:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:47,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-12 23:46:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:47,997 INFO L225 Difference]: With dead ends: 2032 [2021-11-12 23:46:47,997 INFO L226 Difference]: Without dead ends: 2030 [2021-11-12 23:46:48,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:48,001 INFO L933 BasicCegarLoop]: 2788 mSDtfsCounter, 2712 mSDsluCounter, 5572 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 8360 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:48,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2714 Valid, 8360 Invalid, 2 Unknown, 0 Unchecked, 25.39ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.83ms Time] [2021-11-12 23:46:48,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2021-11-12 23:46:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2030. [2021-11-12 23:46:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 1349 states have (on average 1.2542624166048926) internal successors, (1692), 1434 states have internal predecessors, (1692), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:48,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2790 transitions. [2021-11-12 23:46:48,189 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2790 transitions. Word has length 95 [2021-11-12 23:46:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:48,190 INFO L470 AbstractCegarLoop]: Abstraction has 2030 states and 2790 transitions. [2021-11-12 23:46:48,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:46:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2790 transitions. [2021-11-12 23:46:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-12 23:46:48,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:48,196 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:48,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:48,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:48,411 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash 905082745, now seen corresponding path program 1 times [2021-11-12 23:46:48,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:48,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896391659] [2021-11-12 23:46:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:48,418 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:48,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:48,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:48,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:46:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:51,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:51,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:52,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:46:52,586 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:52,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896391659] [2021-11-12 23:46:52,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896391659] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:52,586 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:52,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:46:52,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076266231] [2021-11-12 23:46:52,586 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:52,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:52,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:52,588 INFO L87 Difference]: Start difference. First operand 2030 states and 2790 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:46:52,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:52,772 INFO L93 Difference]: Finished difference Result 2030 states and 2790 transitions. [2021-11-12 23:46:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:52,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-12 23:46:52,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:52,790 INFO L225 Difference]: With dead ends: 2030 [2021-11-12 23:46:52,790 INFO L226 Difference]: Without dead ends: 2028 [2021-11-12 23:46:52,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:52,793 INFO L933 BasicCegarLoop]: 2786 mSDtfsCounter, 2707 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 5570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:52,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2709 Valid, 5570 Invalid, 2 Unknown, 0 Unchecked, 17.03ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.65ms Time] [2021-11-12 23:46:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2021-11-12 23:46:52,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 2028. [2021-11-12 23:46:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 1348 states have (on average 1.2537091988130564) internal successors, (1690), 1432 states have internal predecessors, (1690), 550 states have call successors, (550), 108 states have call predecessors, (550), 107 states have return successors, (548), 511 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-12 23:46:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2788 transitions. [2021-11-12 23:46:52,953 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2788 transitions. Word has length 101 [2021-11-12 23:46:52,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:52,954 INFO L470 AbstractCegarLoop]: Abstraction has 2028 states and 2788 transitions. [2021-11-12 23:46:52,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:46:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2788 transitions. [2021-11-12 23:46:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-12 23:46:52,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:52,959 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:53,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:46:53,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:53,183 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:46:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:53,184 INFO L85 PathProgramCache]: Analyzing trace with hash -450808070, now seen corresponding path program 1 times [2021-11-12 23:46:53,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:53,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924488000] [2021-11-12 23:46:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:53,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:53,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:53,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:46:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:56,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:46:56,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-12 23:46:57,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-12 23:46:59,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:59,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924488000] [2021-11-12 23:46:59,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924488000] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:46:59,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:46:59,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [18] total 33 [2021-11-12 23:46:59,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156629847] [2021-11-12 23:46:59,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:59,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:46:59,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:59,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:46:59,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-11-12 23:46:59,442 INFO L87 Difference]: Start difference. First operand 2028 states and 2788 transitions. Second operand has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2021-11-12 23:47:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:02,838 INFO L93 Difference]: Finished difference Result 4086 states and 5629 transitions. [2021-11-12 23:47:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 23:47:02,839 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 116 [2021-11-12 23:47:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:02,860 INFO L225 Difference]: With dead ends: 4086 [2021-11-12 23:47:02,860 INFO L226 Difference]: Without dead ends: 2072 [2021-11-12 23:47:02,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2021-11-12 23:47:02,876 INFO L933 BasicCegarLoop]: 2780 mSDtfsCounter, 90 mSDsluCounter, 44234 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1654.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 47014 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 90.87ms SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1807.09ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:02,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 47014 Invalid, 859 Unknown, 0 Unchecked, 90.87ms Time], IncrementalHoareTripleChecker [278 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 1807.09ms Time] [2021-11-12 23:47:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2021-11-12 23:47:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2048. [2021-11-12 23:47:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 1362 states have (on average 1.251101321585903) internal successors, (1704), 1446 states have internal predecessors, (1704), 556 states have call successors, (556), 108 states have call predecessors, (556), 107 states have return successors, (554), 517 states have call predecessors, (554), 554 states have call successors, (554) [2021-11-12 23:47:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 2814 transitions. [2021-11-12 23:47:03,140 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 2814 transitions. Word has length 116 [2021-11-12 23:47:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:03,141 INFO L470 AbstractCegarLoop]: Abstraction has 2048 states and 2814 transitions. [2021-11-12 23:47:03,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 7 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2021-11-12 23:47:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2814 transitions. [2021-11-12 23:47:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-12 23:47:03,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:03,145 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:03,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:03,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:03,363 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:03,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1757950468, now seen corresponding path program 1 times [2021-11-12 23:47:03,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:03,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698437008] [2021-11-12 23:47:03,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:03,367 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:03,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:03,367 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:03,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:47:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:06,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:47:06,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-12 23:47:07,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-12 23:47:07,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:07,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698437008] [2021-11-12 23:47:07,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698437008] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:47:07,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:47:07,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2021-11-12 23:47:07,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404778973] [2021-11-12 23:47:07,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:07,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:47:07,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:47:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:47:07,636 INFO L87 Difference]: Start difference. First operand 2048 states and 2814 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:47:09,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:09,306 INFO L93 Difference]: Finished difference Result 3993 states and 5493 transitions. [2021-11-12 23:47:09,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:47:09,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 116 [2021-11-12 23:47:09,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:09,357 INFO L225 Difference]: With dead ends: 3993 [2021-11-12 23:47:09,357 INFO L226 Difference]: Without dead ends: 2070 [2021-11-12 23:47:09,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:47:09,368 INFO L933 BasicCegarLoop]: 2830 mSDtfsCounter, 1288 mSDsluCounter, 9375 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1156.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 12205 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.76ms SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1369.91ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:09,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1288 Valid, 12205 Invalid, 765 Unknown, 0 Unchecked, 29.76ms Time], IncrementalHoareTripleChecker [628 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1369.91ms Time] [2021-11-12 23:47:09,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2021-11-12 23:47:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2046. [2021-11-12 23:47:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1361 states have (on average 1.2505510653930934) internal successors, (1702), 1445 states have internal predecessors, (1702), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2810 transitions. [2021-11-12 23:47:09,526 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2810 transitions. Word has length 116 [2021-11-12 23:47:09,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:09,526 INFO L470 AbstractCegarLoop]: Abstraction has 2046 states and 2810 transitions. [2021-11-12 23:47:09,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:47:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2810 transitions. [2021-11-12 23:47:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:47:09,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:09,530 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:09,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:09,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:09,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:09,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:09,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1753765984, now seen corresponding path program 1 times [2021-11-12 23:47:09,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:09,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318268173] [2021-11-12 23:47:09,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:09,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:09,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:09,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:47:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:12,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:12,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:13,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:13,769 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:13,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318268173] [2021-11-12 23:47:13,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318268173] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:13,770 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:13,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:13,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455403506] [2021-11-12 23:47:13,770 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:13,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:13,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:13,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:13,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:13,772 INFO L87 Difference]: Start difference. First operand 2046 states and 2810 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:13,951 INFO L93 Difference]: Finished difference Result 2046 states and 2810 transitions. [2021-11-12 23:47:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 107 [2021-11-12 23:47:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:13,969 INFO L225 Difference]: With dead ends: 2046 [2021-11-12 23:47:13,969 INFO L226 Difference]: Without dead ends: 2044 [2021-11-12 23:47:13,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:13,974 INFO L933 BasicCegarLoop]: 2784 mSDtfsCounter, 2699 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 5566 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:13,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2701 Valid, 5566 Invalid, 2 Unknown, 0 Unchecked, 11.75ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.96ms Time] [2021-11-12 23:47:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2021-11-12 23:47:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2044. [2021-11-12 23:47:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2044 states, 1360 states have (on average 1.25) internal successors, (1700), 1443 states have internal predecessors, (1700), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 2808 transitions. [2021-11-12 23:47:14,203 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 2808 transitions. Word has length 107 [2021-11-12 23:47:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:14,203 INFO L470 AbstractCegarLoop]: Abstraction has 2044 states and 2808 transitions. [2021-11-12 23:47:14,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:47:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2808 transitions. [2021-11-12 23:47:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-12 23:47:14,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:14,206 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:14,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:14,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,427 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:14,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 481098434, now seen corresponding path program 1 times [2021-11-12 23:47:14,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:14,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552975693] [2021-11-12 23:47:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:14,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:14,432 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:14,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:47:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:17,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:17,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:17,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:18,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:18,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552975693] [2021-11-12 23:47:18,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552975693] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:18,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:18,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:18,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817081504] [2021-11-12 23:47:18,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:18,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:18,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:18,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:18,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:18,290 INFO L87 Difference]: Start difference. First operand 2044 states and 2808 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:18,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:18,469 INFO L93 Difference]: Finished difference Result 2044 states and 2808 transitions. [2021-11-12 23:47:18,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:18,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 113 [2021-11-12 23:47:18,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:18,486 INFO L225 Difference]: With dead ends: 2044 [2021-11-12 23:47:18,486 INFO L226 Difference]: Without dead ends: 2042 [2021-11-12 23:47:18,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:18,488 INFO L933 BasicCegarLoop]: 2782 mSDtfsCounter, 2699 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:18,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2701 Valid, 5558 Invalid, 2 Unknown, 0 Unchecked, 12.29ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.27ms Time] [2021-11-12 23:47:18,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2021-11-12 23:47:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2042. [2021-11-12 23:47:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2042 states, 1359 states have (on average 1.249448123620309) internal successors, (1698), 1441 states have internal predecessors, (1698), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2806 transitions. [2021-11-12 23:47:18,703 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2806 transitions. Word has length 113 [2021-11-12 23:47:18,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:18,704 INFO L470 AbstractCegarLoop]: Abstraction has 2042 states and 2806 transitions. [2021-11-12 23:47:18,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2806 transitions. [2021-11-12 23:47:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-12 23:47:18,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:18,706 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:18,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-12 23:47:18,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:18,931 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1520733883, now seen corresponding path program 1 times [2021-11-12 23:47:18,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:18,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837764957] [2021-11-12 23:47:18,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:18,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:18,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:18,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:18,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:47:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:21,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:21,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:22,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:23,065 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:23,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837764957] [2021-11-12 23:47:23,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837764957] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:23,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:23,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:23,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066798702] [2021-11-12 23:47:23,066 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:23,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:23,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:23,068 INFO L87 Difference]: Start difference. First operand 2042 states and 2806 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:23,296 INFO L93 Difference]: Finished difference Result 2042 states and 2806 transitions. [2021-11-12 23:47:23,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:23,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 115 [2021-11-12 23:47:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:23,312 INFO L225 Difference]: With dead ends: 2042 [2021-11-12 23:47:23,312 INFO L226 Difference]: Without dead ends: 2040 [2021-11-12 23:47:23,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:23,314 INFO L933 BasicCegarLoop]: 2780 mSDtfsCounter, 2687 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:23,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2689 Valid, 5558 Invalid, 2 Unknown, 0 Unchecked, 10.16ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 5.04ms Time] [2021-11-12 23:47:23,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2021-11-12 23:47:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 2040. [2021-11-12 23:47:23,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 1358 states have (on average 1.2488954344624448) internal successors, (1696), 1439 states have internal predecessors, (1696), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2804 transitions. [2021-11-12 23:47:23,487 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2804 transitions. Word has length 115 [2021-11-12 23:47:23,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:23,488 INFO L470 AbstractCegarLoop]: Abstraction has 2040 states and 2804 transitions. [2021-11-12 23:47:23,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2804 transitions. [2021-11-12 23:47:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-12 23:47:23,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:23,490 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:47:23,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-12 23:47:23,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:23,715 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:23,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:23,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1323923487, now seen corresponding path program 1 times [2021-11-12 23:47:23,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:23,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914923115] [2021-11-12 23:47:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:23,719 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:23,720 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:23,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:47:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:26,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:26,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:27,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:27,821 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:27,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914923115] [2021-11-12 23:47:27,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914923115] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:27,822 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:27,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:27,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052659522] [2021-11-12 23:47:27,822 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:27,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:27,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:27,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:27,824 INFO L87 Difference]: Start difference. First operand 2040 states and 2804 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:47:28,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:28,038 INFO L93 Difference]: Finished difference Result 2040 states and 2804 transitions. [2021-11-12 23:47:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:28,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 121 [2021-11-12 23:47:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:28,054 INFO L225 Difference]: With dead ends: 2040 [2021-11-12 23:47:28,054 INFO L226 Difference]: Without dead ends: 2038 [2021-11-12 23:47:28,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:28,056 INFO L933 BasicCegarLoop]: 2778 mSDtfsCounter, 2676 mSDsluCounter, 5552 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 8330 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:28,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2678 Valid, 8330 Invalid, 2 Unknown, 0 Unchecked, 12.53ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.50ms Time] [2021-11-12 23:47:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-11-12 23:47:28,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2021-11-12 23:47:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1357 states have (on average 1.2483419307295505) internal successors, (1694), 1437 states have internal predecessors, (1694), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2802 transitions. [2021-11-12 23:47:28,270 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2802 transitions. Word has length 121 [2021-11-12 23:47:28,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:28,271 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 2802 transitions. [2021-11-12 23:47:28,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:47:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2802 transitions. [2021-11-12 23:47:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:47:28,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:28,274 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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] [2021-11-12 23:47:28,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:28,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:28,488 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:28,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:28,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1339154840, now seen corresponding path program 1 times [2021-11-12 23:47:28,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:28,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283126133] [2021-11-12 23:47:28,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:28,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:28,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:28,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:28,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:47:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:31,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:47:31,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:47:32,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:47:33,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:33,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283126133] [2021-11-12 23:47:33,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283126133] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:47:33,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1894941244] [2021-11-12 23:47:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:33,452 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:47:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:47:33,454 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:47:33,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-12 23:47:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:35,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:35,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:47:36,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:47:36,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1894941244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:36,463 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:47:36,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 23:47:36,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501005426] [2021-11-12 23:47:36,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:36,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:47:36,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:36,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:47:36,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:47:36,466 INFO L87 Difference]: Start difference. First operand 2038 states and 2802 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:47:37,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:37,110 INFO L93 Difference]: Finished difference Result 4013 states and 5517 transitions. [2021-11-12 23:47:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:37,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 163 [2021-11-12 23:47:37,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:37,128 INFO L225 Difference]: With dead ends: 4013 [2021-11-12 23:47:37,128 INFO L226 Difference]: Without dead ends: 2034 [2021-11-12 23:47:37,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:47:37,142 INFO L933 BasicCegarLoop]: 2774 mSDtfsCounter, 2760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 392.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.11ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 443.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:37,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2760 Valid, 2774 Invalid, 6 Unknown, 0 Unchecked, 6.11ms Time], IncrementalHoareTripleChecker [5 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 443.88ms Time] [2021-11-12 23:47:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2021-11-12 23:47:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2034. [2021-11-12 23:47:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1354 states have (on average 1.2474150664697194) internal successors, (1689), 1433 states have internal predecessors, (1689), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2797 transitions. [2021-11-12 23:47:37,371 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2797 transitions. Word has length 163 [2021-11-12 23:47:37,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:37,372 INFO L470 AbstractCegarLoop]: Abstraction has 2034 states and 2797 transitions. [2021-11-12 23:47:37,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:47:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2797 transitions. [2021-11-12 23:47:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-12 23:47:37,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:37,374 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:47:37,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-11-12 23:47:37,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:37,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:37,787 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash -821382650, now seen corresponding path program 1 times [2021-11-12 23:47:37,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:37,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095904] [2021-11-12 23:47:37,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:37,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:37,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:37,792 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:37,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:47:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:40,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2584 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:40,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:41,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:47:41,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:41,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095904] [2021-11-12 23:47:41,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095904] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:41,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:41,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:47:41,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326682753] [2021-11-12 23:47:41,987 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:41,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:41,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:41,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:41,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:41,989 INFO L87 Difference]: Start difference. First operand 2034 states and 2797 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:47:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:42,178 INFO L93 Difference]: Finished difference Result 2034 states and 2797 transitions. [2021-11-12 23:47:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:42,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 127 [2021-11-12 23:47:42,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:42,192 INFO L225 Difference]: With dead ends: 2034 [2021-11-12 23:47:42,193 INFO L226 Difference]: Without dead ends: 2032 [2021-11-12 23:47:42,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:47:42,194 INFO L933 BasicCegarLoop]: 2771 mSDtfsCounter, 2666 mSDsluCounter, 2769 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2668 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.60ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:42,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2668 Valid, 5540 Invalid, 2 Unknown, 0 Unchecked, 7.72ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.60ms Time] [2021-11-12 23:47:42,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2021-11-12 23:47:42,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2032. [2021-11-12 23:47:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1353 states have (on average 1.2468588322246859) internal successors, (1687), 1431 states have internal predecessors, (1687), 555 states have call successors, (555), 108 states have call predecessors, (555), 107 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2795 transitions. [2021-11-12 23:47:42,419 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2795 transitions. Word has length 127 [2021-11-12 23:47:42,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:42,420 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2795 transitions. [2021-11-12 23:47:42,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:47:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2795 transitions. [2021-11-12 23:47:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-12 23:47:42,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:42,423 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 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] [2021-11-12 23:47:42,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:42,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:42,643 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:42,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:42,644 INFO L85 PathProgramCache]: Analyzing trace with hash 712154423, now seen corresponding path program 1 times [2021-11-12 23:47:42,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:42,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691450042] [2021-11-12 23:47:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:42,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:42,648 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:42,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:47:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:45,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2816 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:47:45,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-12 23:47:46,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-11-12 23:47:47,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:47,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691450042] [2021-11-12 23:47:47,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691450042] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:47:47,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1756279651] [2021-11-12 23:47:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:47,635 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:47:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:47:47,636 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:47:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-12 23:47:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:49,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 2816 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:47:49,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:47:50,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:47:50,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1756279651] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:50,769 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:47:50,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-12 23:47:50,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340425257] [2021-11-12 23:47:50,770 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:50,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:47:50,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:50,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:47:50,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:47:50,771 INFO L87 Difference]: Start difference. First operand 2032 states and 2795 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:47:51,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:51,447 INFO L93 Difference]: Finished difference Result 4009 states and 5507 transitions. [2021-11-12 23:47:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:51,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 169 [2021-11-12 23:47:51,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:51,459 INFO L225 Difference]: With dead ends: 4009 [2021-11-12 23:47:51,460 INFO L226 Difference]: Without dead ends: 2039 [2021-11-12 23:47:51,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:47:51,471 INFO L933 BasicCegarLoop]: 2782 mSDtfsCounter, 2747 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 371.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2747 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.94ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 422.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:51,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2747 Valid, 2826 Invalid, 8 Unknown, 0 Unchecked, 6.94ms Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 422.99ms Time] [2021-11-12 23:47:51,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2021-11-12 23:47:51,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 2038. [2021-11-12 23:47:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1357 states have (on average 1.2446573323507737) internal successors, (1689), 1434 states have internal predecessors, (1689), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:47:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2797 transitions. [2021-11-12 23:47:51,721 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2797 transitions. Word has length 169 [2021-11-12 23:47:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:51,722 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 2797 transitions. [2021-11-12 23:47:51,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:47:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2797 transitions. [2021-11-12 23:47:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:47:51,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:51,728 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1] [2021-11-12 23:47:51,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:52,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:52,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:52,150 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:47:52,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash -948873798, now seen corresponding path program 1 times [2021-11-12 23:47:52,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:52,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319358779] [2021-11-12 23:47:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:52,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:52,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:52,158 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:52,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:47:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:55,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:47:55,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:47:56,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:47:57,276 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:57,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319358779] [2021-11-12 23:47:57,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319358779] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:47:57,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1616677433] [2021-11-12 23:47:57,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:57,277 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:47:57,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:47:57,288 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:47:57,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-11-12 23:47:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:59,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:47:59,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:48:00,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:48:01,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1616677433] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:01,483 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:48:01,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [8, 8] total 14 [2021-11-12 23:48:01,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708184746] [2021-11-12 23:48:01,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:01,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:48:01,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:01,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:48:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:48:01,486 INFO L87 Difference]: Start difference. First operand 2038 states and 2797 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:48:03,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:48:08,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:08,704 INFO L93 Difference]: Finished difference Result 4010 states and 5603 transitions. [2021-11-12 23:48:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:48:08,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 175 [2021-11-12 23:48:08,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:08,717 INFO L225 Difference]: With dead ends: 4010 [2021-11-12 23:48:08,717 INFO L226 Difference]: Without dead ends: 2038 [2021-11-12 23:48:08,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:48:08,732 INFO L933 BasicCegarLoop]: 2764 mSDtfsCounter, 2684 mSDsluCounter, 7184 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6127.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 9948 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.46ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6726.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:08,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2689 Valid, 9948 Invalid, 1110 Unknown, 0 Unchecked, 41.46ms Time], IncrementalHoareTripleChecker [1 Valid, 1108 Invalid, 1 Unknown, 0 Unchecked, 6726.36ms Time] [2021-11-12 23:48:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-11-12 23:48:08,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2021-11-12 23:48:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1357 states have (on average 1.2439204126750185) internal successors, (1688), 1434 states have internal predecessors, (1688), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:48:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2796 transitions. [2021-11-12 23:48:08,986 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2796 transitions. Word has length 175 [2021-11-12 23:48:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:08,988 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 2796 transitions. [2021-11-12 23:48:08,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:48:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2796 transitions. [2021-11-12 23:48:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:48:08,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:08,991 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1] [2021-11-12 23:48:09,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:09,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:09,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:09,413 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash -948814216, now seen corresponding path program 1 times [2021-11-12 23:48:09,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:09,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635751540] [2021-11-12 23:48:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:09,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:09,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:09,421 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:09,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:48:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:13,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:48:13,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:48:13,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:48:14,839 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:14,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635751540] [2021-11-12 23:48:14,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635751540] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:48:14,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [264740669] [2021-11-12 23:48:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:14,840 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:48:14,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:48:14,854 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:48:14,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-12 23:48:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:17,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:48:17,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:48:17,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-12 23:48:18,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [264740669] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:18,214 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:48:18,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [8, 8] total 13 [2021-11-12 23:48:18,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136044969] [2021-11-12 23:48:18,215 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:18,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:48:18,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:18,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:48:18,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:48:18,216 INFO L87 Difference]: Start difference. First operand 2038 states and 2796 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:48:20,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:48:20,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:20,661 INFO L93 Difference]: Finished difference Result 4016 states and 5545 transitions. [2021-11-12 23:48:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:48:20,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2021-11-12 23:48:20,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:20,686 INFO L225 Difference]: With dead ends: 4016 [2021-11-12 23:48:20,687 INFO L226 Difference]: Without dead ends: 2044 [2021-11-12 23:48:20,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:48:20,696 INFO L933 BasicCegarLoop]: 2768 mSDtfsCounter, 8 mSDsluCounter, 8293 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2115.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11061 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.06ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2129.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:20,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 11061 Invalid, 18 Unknown, 0 Unchecked, 13.06ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2129.39ms Time] [2021-11-12 23:48:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2021-11-12 23:48:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2040. [2021-11-12 23:48:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 1359 states have (on average 1.243561442236939) internal successors, (1690), 1436 states have internal predecessors, (1690), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:48:20,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2798 transitions. [2021-11-12 23:48:20,939 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2798 transitions. Word has length 175 [2021-11-12 23:48:20,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:20,940 INFO L470 AbstractCegarLoop]: Abstraction has 2040 states and 2798 transitions. [2021-11-12 23:48:20,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:48:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2798 transitions. [2021-11-12 23:48:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-12 23:48:20,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:20,942 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:48:21,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:21,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:21,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:48:21,367 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:21,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:21,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1093114798, now seen corresponding path program 1 times [2021-11-12 23:48:21,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:21,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061855911] [2021-11-12 23:48:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:21,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:21,372 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:48:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:24,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:48:24,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:48:25,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:48:25,808 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:25,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061855911] [2021-11-12 23:48:25,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061855911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:25,808 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:25,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:48:25,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066431464] [2021-11-12 23:48:25,809 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:25,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:48:25,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:25,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:48:25,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:48:25,810 INFO L87 Difference]: Start difference. First operand 2040 states and 2798 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:48:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:25,999 INFO L93 Difference]: Finished difference Result 2040 states and 2798 transitions. [2021-11-12 23:48:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:48:26,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 133 [2021-11-12 23:48:26,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:26,007 INFO L225 Difference]: With dead ends: 2040 [2021-11-12 23:48:26,008 INFO L226 Difference]: Without dead ends: 2038 [2021-11-12 23:48:26,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:48:26,009 INFO L933 BasicCegarLoop]: 2763 mSDtfsCounter, 2649 mSDsluCounter, 5522 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 8285 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.68ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:26,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2651 Valid, 8285 Invalid, 2 Unknown, 0 Unchecked, 12.26ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.68ms Time] [2021-11-12 23:48:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-11-12 23:48:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2021-11-12 23:48:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1358 states have (on average 1.2430044182621502) internal successors, (1688), 1434 states have internal predecessors, (1688), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:48:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2796 transitions. [2021-11-12 23:48:26,287 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2796 transitions. Word has length 133 [2021-11-12 23:48:26,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:26,287 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 2796 transitions. [2021-11-12 23:48:26,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:48:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2796 transitions. [2021-11-12 23:48:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-12 23:48:26,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:26,290 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:48:26,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:26,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:26,495 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1264854312, now seen corresponding path program 1 times [2021-11-12 23:48:26,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:26,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749069918] [2021-11-12 23:48:26,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:26,499 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:26,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:26,500 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:26,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:48:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:29,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:48:29,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:48:30,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:48:30,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:30,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749069918] [2021-11-12 23:48:30,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749069918] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:30,731 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:30,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:48:30,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319348447] [2021-11-12 23:48:30,731 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:30,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:48:30,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:30,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:48:30,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:48:30,733 INFO L87 Difference]: Start difference. First operand 2038 states and 2796 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:48:30,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:30,975 INFO L93 Difference]: Finished difference Result 2038 states and 2796 transitions. [2021-11-12 23:48:30,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:48:30,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 139 [2021-11-12 23:48:30,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:30,982 INFO L225 Difference]: With dead ends: 2038 [2021-11-12 23:48:30,983 INFO L226 Difference]: Without dead ends: 2036 [2021-11-12 23:48:30,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:48:30,984 INFO L933 BasicCegarLoop]: 2761 mSDtfsCounter, 2644 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:30,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2646 Valid, 5520 Invalid, 2 Unknown, 0 Unchecked, 9.54ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.50ms Time] [2021-11-12 23:48:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2021-11-12 23:48:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 2036. [2021-11-12 23:48:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1357 states have (on average 1.2424465733235077) internal successors, (1686), 1432 states have internal predecessors, (1686), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:48:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2794 transitions. [2021-11-12 23:48:31,185 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2794 transitions. Word has length 139 [2021-11-12 23:48:31,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:31,185 INFO L470 AbstractCegarLoop]: Abstraction has 2036 states and 2794 transitions. [2021-11-12 23:48:31,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:48:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2794 transitions. [2021-11-12 23:48:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-12 23:48:31,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:31,188 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:31,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-11-12 23:48:31,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:31,395 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1446298164, now seen corresponding path program 1 times [2021-11-12 23:48:31,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:31,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986492705] [2021-11-12 23:48:31,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:31,399 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:31,400 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:31,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:48:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:34,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:48:34,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-12 23:48:35,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:48:36,503 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:36,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986492705] [2021-11-12 23:48:36,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986492705] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:48:36,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [771482635] [2021-11-12 23:48:36,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:36,503 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:48:36,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:48:36,504 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:48:36,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-12 23:48:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:43,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:48:43,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-11-12 23:48:44,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-12 23:48:44,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [771482635] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:48:44,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:48:44,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 23:48:44,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37318094] [2021-11-12 23:48:44,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:44,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:48:44,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:44,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:48:44,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:48:44,993 INFO L87 Difference]: Start difference. First operand 2036 states and 2794 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:48:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:45,432 INFO L93 Difference]: Finished difference Result 4045 states and 5570 transitions. [2021-11-12 23:48:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:48:45,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 182 [2021-11-12 23:48:45,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:45,440 INFO L225 Difference]: With dead ends: 4045 [2021-11-12 23:48:45,440 INFO L226 Difference]: Without dead ends: 2058 [2021-11-12 23:48:45,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:48:45,449 INFO L933 BasicCegarLoop]: 2819 mSDtfsCounter, 629 mSDsluCounter, 10330 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 13149 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:45,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [940 Valid, 13149 Invalid, 12 Unknown, 0 Unchecked, 23.12ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 46.80ms Time] [2021-11-12 23:48:45,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2021-11-12 23:48:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2036. [2021-11-12 23:48:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1357 states have (on average 1.2417096536477523) internal successors, (1685), 1431 states have internal predecessors, (1685), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:48:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2793 transitions. [2021-11-12 23:48:45,685 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2793 transitions. Word has length 182 [2021-11-12 23:48:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:45,685 INFO L470 AbstractCegarLoop]: Abstraction has 2036 states and 2793 transitions. [2021-11-12 23:48:45,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:48:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2793 transitions. [2021-11-12 23:48:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-12 23:48:45,688 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:45,688 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:45,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:45,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:46,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:46,104 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:48:46,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:46,104 INFO L85 PathProgramCache]: Analyzing trace with hash 714508911, now seen corresponding path program 1 times [2021-11-12 23:48:46,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:46,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782070469] [2021-11-12 23:48:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:46,108 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:46,109 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:46,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:48:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:49,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:48:49,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-12 23:48:50,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-11-12 23:48:51,244 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:51,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782070469] [2021-11-12 23:48:51,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782070469] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:48:51,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1411586677] [2021-11-12 23:48:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:51,244 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:48:51,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:48:51,245 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:48:51,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2021-11-12 23:48:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:58,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:48:58,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:48:59,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-12 23:48:59,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1411586677] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:48:59,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:48:59,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 23:48:59,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809663344] [2021-11-12 23:48:59,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:59,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:48:59,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:59,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:48:59,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:48:59,829 INFO L87 Difference]: Start difference. First operand 2036 states and 2793 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 23:49:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:00,233 INFO L93 Difference]: Finished difference Result 4040 states and 5561 transitions. [2021-11-12 23:49:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:49:00,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 186 [2021-11-12 23:49:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:00,244 INFO L225 Difference]: With dead ends: 4040 [2021-11-12 23:49:00,244 INFO L226 Difference]: Without dead ends: 2058 [2021-11-12 23:49:00,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 729 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:49:00,256 INFO L933 BasicCegarLoop]: 2818 mSDtfsCounter, 625 mSDsluCounter, 10332 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 13150 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:00,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [934 Valid, 13150 Invalid, 12 Unknown, 0 Unchecked, 18.81ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 49.21ms Time] [2021-11-12 23:49:00,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2058 states. [2021-11-12 23:49:00,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2058 to 2036. [2021-11-12 23:49:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1357 states have (on average 1.2409727339719971) internal successors, (1684), 1430 states have internal predecessors, (1684), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2792 transitions. [2021-11-12 23:49:00,653 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2792 transitions. Word has length 186 [2021-11-12 23:49:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:00,654 INFO L470 AbstractCegarLoop]: Abstraction has 2036 states and 2792 transitions. [2021-11-12 23:49:00,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 23:49:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2792 transitions. [2021-11-12 23:49:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-12 23:49:00,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:00,656 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:49:00,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:00,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:01,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:49:01,057 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:01,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:01,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1247452211, now seen corresponding path program 1 times [2021-11-12 23:49:01,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:01,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904481093] [2021-11-12 23:49:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:01,064 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:01,065 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:01,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:49:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:04,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:04,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:05,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:05,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:05,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904481093] [2021-11-12 23:49:05,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [904481093] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:05,735 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:05,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:05,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006907272] [2021-11-12 23:49:05,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:05,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:05,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:05,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:05,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:05,737 INFO L87 Difference]: Start difference. First operand 2036 states and 2792 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:49:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:05,949 INFO L93 Difference]: Finished difference Result 2036 states and 2792 transitions. [2021-11-12 23:49:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:05,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 145 [2021-11-12 23:49:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:05,956 INFO L225 Difference]: With dead ends: 2036 [2021-11-12 23:49:05,956 INFO L226 Difference]: Without dead ends: 2034 [2021-11-12 23:49:05,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:05,957 INFO L933 BasicCegarLoop]: 2757 mSDtfsCounter, 2634 mSDsluCounter, 2755 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.61ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:05,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2636 Valid, 5512 Invalid, 2 Unknown, 0 Unchecked, 7.31ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.61ms Time] [2021-11-12 23:49:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2021-11-12 23:49:06,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2034. [2021-11-12 23:49:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1356 states have (on average 1.2404129793510323) internal successors, (1682), 1428 states have internal predecessors, (1682), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2790 transitions. [2021-11-12 23:49:06,217 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2790 transitions. Word has length 145 [2021-11-12 23:49:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:06,217 INFO L470 AbstractCegarLoop]: Abstraction has 2034 states and 2790 transitions. [2021-11-12 23:49:06,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:49:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2790 transitions. [2021-11-12 23:49:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-12 23:49:06,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:06,220 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:06,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:06,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:06,443 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:06,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1021050324, now seen corresponding path program 1 times [2021-11-12 23:49:06,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:06,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415263430] [2021-11-12 23:49:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:06,447 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:06,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:06,448 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:06,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:49:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:10,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 2875 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:10,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:49:11,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:49:11,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:11,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415263430] [2021-11-12 23:49:11,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415263430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:11,423 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:11,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:49:11,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872724009] [2021-11-12 23:49:11,423 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:11,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:49:11,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:49:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:11,424 INFO L87 Difference]: Start difference. First operand 2034 states and 2790 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-12 23:49:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:11,624 INFO L93 Difference]: Finished difference Result 2034 states and 2790 transitions. [2021-11-12 23:49:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:11,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 190 [2021-11-12 23:49:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:11,635 INFO L225 Difference]: With dead ends: 2034 [2021-11-12 23:49:11,635 INFO L226 Difference]: Without dead ends: 2032 [2021-11-12 23:49:11,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:49:11,638 INFO L933 BasicCegarLoop]: 2755 mSDtfsCounter, 11 mSDsluCounter, 8257 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11012 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:11,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 11012 Invalid, 3 Unknown, 0 Unchecked, 8.88ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 6.86ms Time] [2021-11-12 23:49:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2021-11-12 23:49:11,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2032. [2021-11-12 23:49:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1355 states have (on average 1.2398523985239853) internal successors, (1680), 1426 states have internal predecessors, (1680), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2788 transitions. [2021-11-12 23:49:11,975 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2788 transitions. Word has length 190 [2021-11-12 23:49:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:11,976 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2788 transitions. [2021-11-12 23:49:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-12 23:49:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2788 transitions. [2021-11-12 23:49:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-12 23:49:11,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:11,979 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:49:12,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:12,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:12,195 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:12,196 INFO L85 PathProgramCache]: Analyzing trace with hash 412669174, now seen corresponding path program 1 times [2021-11-12 23:49:12,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:12,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473630768] [2021-11-12 23:49:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:12,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:12,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:12,201 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:12,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:49:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:15,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:15,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:16,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:17,093 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:17,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473630768] [2021-11-12 23:49:17,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473630768] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:17,094 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:17,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:49:17,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362286424] [2021-11-12 23:49:17,094 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:17,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:49:17,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:17,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:49:17,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:17,096 INFO L87 Difference]: Start difference. First operand 2032 states and 2788 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-12 23:49:18,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:18,975 INFO L93 Difference]: Finished difference Result 2032 states and 2788 transitions. [2021-11-12 23:49:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:18,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 151 [2021-11-12 23:49:18,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:18,991 INFO L225 Difference]: With dead ends: 2032 [2021-11-12 23:49:18,991 INFO L226 Difference]: Without dead ends: 2030 [2021-11-12 23:49:18,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:49:18,994 INFO L933 BasicCegarLoop]: 2753 mSDtfsCounter, 4256 mSDsluCounter, 5502 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1278.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 8255 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.84ms SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1574.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:18,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4258 Valid, 8255 Invalid, 1077 Unknown, 0 Unchecked, 18.84ms Time], IncrementalHoareTripleChecker [1075 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1574.44ms Time] [2021-11-12 23:49:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2021-11-12 23:49:19,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2030. [2021-11-12 23:49:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 1354 states have (on average 1.239290989660266) internal successors, (1678), 1424 states have internal predecessors, (1678), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2786 transitions. [2021-11-12 23:49:19,349 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2786 transitions. Word has length 151 [2021-11-12 23:49:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:19,349 INFO L470 AbstractCegarLoop]: Abstraction has 2030 states and 2786 transitions. [2021-11-12 23:49:19,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-12 23:49:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2786 transitions. [2021-11-12 23:49:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-12 23:49:19,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:19,352 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:19,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:19,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:19,575 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:19,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1812222969, now seen corresponding path program 1 times [2021-11-12 23:49:19,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:19,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669707942] [2021-11-12 23:49:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:19,579 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:19,582 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:19,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:49:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:24,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:49:24,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:49:25,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-11-12 23:49:25,744 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:25,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669707942] [2021-11-12 23:49:25,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669707942] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:25,745 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:25,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:49:25,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573340057] [2021-11-12 23:49:25,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:25,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:49:25,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:25,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:49:25,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:49:25,747 INFO L87 Difference]: Start difference. First operand 2030 states and 2786 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-12 23:49:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:26,008 INFO L93 Difference]: Finished difference Result 3990 states and 5579 transitions. [2021-11-12 23:49:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:49:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 197 [2021-11-12 23:49:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:26,016 INFO L225 Difference]: With dead ends: 3990 [2021-11-12 23:49:26,016 INFO L226 Difference]: Without dead ends: 2026 [2021-11-12 23:49:26,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:49:26,024 INFO L933 BasicCegarLoop]: 2749 mSDtfsCounter, 2671 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.21ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:26,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2671 Valid, 2749 Invalid, 25 Unknown, 0 Unchecked, 4.21ms Time], IncrementalHoareTripleChecker [24 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 30.41ms Time] [2021-11-12 23:49:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2021-11-12 23:49:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2021-11-12 23:49:26,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1351 states have (on average 1.238341968911917) internal successors, (1673), 1420 states have internal predecessors, (1673), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2781 transitions. [2021-11-12 23:49:26,263 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2781 transitions. Word has length 197 [2021-11-12 23:49:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:26,264 INFO L470 AbstractCegarLoop]: Abstraction has 2026 states and 2781 transitions. [2021-11-12 23:49:26,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 3 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-12 23:49:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2781 transitions. [2021-11-12 23:49:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-12 23:49:26,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:26,267 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:49:26,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:26,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:26,483 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:26,484 INFO L85 PathProgramCache]: Analyzing trace with hash 410820244, now seen corresponding path program 1 times [2021-11-12 23:49:26,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:26,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174793021] [2021-11-12 23:49:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:26,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:26,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:26,488 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:26,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:49:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:29,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:29,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:30,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:31,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:31,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174793021] [2021-11-12 23:49:31,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174793021] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:31,060 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:31,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:31,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48495357] [2021-11-12 23:49:31,060 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:31,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:31,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:31,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:31,062 INFO L87 Difference]: Start difference. First operand 2026 states and 2781 transitions. Second operand has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:49:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:31,330 INFO L93 Difference]: Finished difference Result 2026 states and 2781 transitions. [2021-11-12 23:49:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:31,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 157 [2021-11-12 23:49:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:31,343 INFO L225 Difference]: With dead ends: 2026 [2021-11-12 23:49:31,343 INFO L226 Difference]: Without dead ends: 2024 [2021-11-12 23:49:31,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:31,345 INFO L933 BasicCegarLoop]: 2746 mSDtfsCounter, 2608 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:31,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2610 Valid, 8234 Invalid, 2 Unknown, 0 Unchecked, 11.36ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.69ms Time] [2021-11-12 23:49:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2021-11-12 23:49:31,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024. [2021-11-12 23:49:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1350 states have (on average 1.2377777777777779) internal successors, (1671), 1418 states have internal predecessors, (1671), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2779 transitions. [2021-11-12 23:49:31,708 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2779 transitions. Word has length 157 [2021-11-12 23:49:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:31,709 INFO L470 AbstractCegarLoop]: Abstraction has 2024 states and 2779 transitions. [2021-11-12 23:49:31,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.4) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:49:31,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2779 transitions. [2021-11-12 23:49:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:49:31,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:31,711 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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] [2021-11-12 23:49:31,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:31,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:31,935 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:31,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1806393318, now seen corresponding path program 1 times [2021-11-12 23:49:31,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:31,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192404046] [2021-11-12 23:49:31,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:31,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:31,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:31,941 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:31,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-12 23:49:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:35,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 2638 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:35,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:36,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:36,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:36,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192404046] [2021-11-12 23:49:36,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192404046] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:36,714 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:36,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:36,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546214568] [2021-11-12 23:49:36,714 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:36,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:36,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:36,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:36,715 INFO L87 Difference]: Start difference. First operand 2024 states and 2779 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:49:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:36,975 INFO L93 Difference]: Finished difference Result 2024 states and 2779 transitions. [2021-11-12 23:49:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:36,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 163 [2021-11-12 23:49:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:36,981 INFO L225 Difference]: With dead ends: 2024 [2021-11-12 23:49:36,981 INFO L226 Difference]: Without dead ends: 2022 [2021-11-12 23:49:36,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:36,983 INFO L933 BasicCegarLoop]: 2744 mSDtfsCounter, 2603 mSDsluCounter, 2742 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2605 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:36,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2605 Valid, 5486 Invalid, 2 Unknown, 0 Unchecked, 8.22ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.67ms Time] [2021-11-12 23:49:36,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2021-11-12 23:49:37,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 2022. [2021-11-12 23:49:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2022 states, 1349 states have (on average 1.2372127501853225) internal successors, (1669), 1416 states have internal predecessors, (1669), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 2022 states and 2777 transitions. [2021-11-12 23:49:37,303 INFO L78 Accepts]: Start accepts. Automaton has 2022 states and 2777 transitions. Word has length 163 [2021-11-12 23:49:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:37,304 INFO L470 AbstractCegarLoop]: Abstraction has 2022 states and 2777 transitions. [2021-11-12 23:49:37,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:49:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2777 transitions. [2021-11-12 23:49:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-12 23:49:37,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:37,306 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1] [2021-11-12 23:49:37,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:37,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:37,531 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:37,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1782680765, now seen corresponding path program 1 times [2021-11-12 23:49:37,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:37,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058846519] [2021-11-12 23:49:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:37,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:37,536 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:37,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-12 23:49:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:40,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2647 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:40,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:41,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:42,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:42,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058846519] [2021-11-12 23:49:42,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058846519] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:42,321 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:42,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:42,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108767118] [2021-11-12 23:49:42,321 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:42,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:42,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:42,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:42,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:42,323 INFO L87 Difference]: Start difference. First operand 2022 states and 2777 transitions. Second operand has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:49:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:42,554 INFO L93 Difference]: Finished difference Result 2022 states and 2777 transitions. [2021-11-12 23:49:42,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:42,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 169 [2021-11-12 23:49:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:42,600 INFO L225 Difference]: With dead ends: 2022 [2021-11-12 23:49:42,601 INFO L226 Difference]: Without dead ends: 2020 [2021-11-12 23:49:42,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:42,603 INFO L933 BasicCegarLoop]: 2742 mSDtfsCounter, 2592 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 8222 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:42,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2594 Valid, 8222 Invalid, 2 Unknown, 0 Unchecked, 10.04ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.45ms Time] [2021-11-12 23:49:42,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2021-11-12 23:49:42,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2020. [2021-11-12 23:49:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 1348 states have (on average 1.236646884272997) internal successors, (1667), 1414 states have internal predecessors, (1667), 555 states have call successors, (555), 111 states have call predecessors, (555), 110 states have return successors, (553), 516 states have call predecessors, (553), 553 states have call successors, (553) [2021-11-12 23:49:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2775 transitions. [2021-11-12 23:49:42,937 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2775 transitions. Word has length 169 [2021-11-12 23:49:42,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:42,938 INFO L470 AbstractCegarLoop]: Abstraction has 2020 states and 2775 transitions. [2021-11-12 23:49:42,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.6) internal successors, (183), 5 states have internal predecessors, (183), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:49:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2775 transitions. [2021-11-12 23:49:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:49:42,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:42,941 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:43,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:43,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:43,163 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:43,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1463682117, now seen corresponding path program 1 times [2021-11-12 23:49:43,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:43,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357464231] [2021-11-12 23:49:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:43,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:43,168 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:43,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-12 23:49:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:46,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:46,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:47,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:48,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:48,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357464231] [2021-11-12 23:49:48,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357464231] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:48,022 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:48,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:48,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983697403] [2021-11-12 23:49:48,022 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:48,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:48,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:48,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:48,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:48,023 INFO L87 Difference]: Start difference. First operand 2020 states and 2775 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:49:48,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:48,582 INFO L93 Difference]: Finished difference Result 3974 states and 5498 transitions. [2021-11-12 23:49:48,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:49:48,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 175 [2021-11-12 23:49:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:48,601 INFO L225 Difference]: With dead ends: 3974 [2021-11-12 23:49:48,601 INFO L226 Difference]: Without dead ends: 3972 [2021-11-12 23:49:48,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:48,605 INFO L933 BasicCegarLoop]: 3546 mSDtfsCounter, 2587 mSDsluCounter, 6262 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 9808 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.78ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.28ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:48,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2589 Valid, 9808 Invalid, 17 Unknown, 0 Unchecked, 15.78ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 46.28ms Time] [2021-11-12 23:49:48,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2021-11-12 23:49:49,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3947. [2021-11-12 23:49:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 2638 states have (on average 1.240333586050038) internal successors, (3272), 2764 states have internal predecessors, (3272), 1086 states have call successors, (1086), 217 states have call predecessors, (1086), 216 states have return successors, (1116), 1009 states have call predecessors, (1116), 1084 states have call successors, (1116) [2021-11-12 23:49:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5474 transitions. [2021-11-12 23:49:49,379 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5474 transitions. Word has length 175 [2021-11-12 23:49:49,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:49,380 INFO L470 AbstractCegarLoop]: Abstraction has 3947 states and 5474 transitions. [2021-11-12 23:49:49,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:49:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5474 transitions. [2021-11-12 23:49:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-12 23:49:49,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:49,383 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:49,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:49,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:49,607 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:49,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:49,608 INFO L85 PathProgramCache]: Analyzing trace with hash 456819217, now seen corresponding path program 1 times [2021-11-12 23:49:49,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:49,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922897297] [2021-11-12 23:49:49,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:49,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:49,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:49,613 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:49,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 23:49:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:52,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:52,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:53,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:49:54,313 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:54,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922897297] [2021-11-12 23:49:54,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922897297] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:54,313 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:54,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:49:54,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434740876] [2021-11-12 23:49:54,313 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:54,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:49:54,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:49:54,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:49:54,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:49:54,315 INFO L87 Difference]: Start difference. First operand 3947 states and 5474 transitions. Second operand has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:49:54,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:54,794 INFO L93 Difference]: Finished difference Result 3947 states and 5474 transitions. [2021-11-12 23:49:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:54,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 181 [2021-11-12 23:49:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:54,810 INFO L225 Difference]: With dead ends: 3947 [2021-11-12 23:49:54,810 INFO L226 Difference]: Without dead ends: 3945 [2021-11-12 23:49:54,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:49:54,814 INFO L933 BasicCegarLoop]: 2740 mSDtfsCounter, 2581 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 5478 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:54,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2583 Valid, 5478 Invalid, 2 Unknown, 0 Unchecked, 9.33ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.55ms Time] [2021-11-12 23:49:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3945 states. [2021-11-12 23:49:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3945 to 3945. [2021-11-12 23:49:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3945 states, 2637 states have (on average 1.2400455062571103) internal successors, (3270), 2762 states have internal predecessors, (3270), 1086 states have call successors, (1086), 217 states have call predecessors, (1086), 216 states have return successors, (1116), 1009 states have call predecessors, (1116), 1084 states have call successors, (1116) [2021-11-12 23:49:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5472 transitions. [2021-11-12 23:49:55,481 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 5472 transitions. Word has length 181 [2021-11-12 23:49:55,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:55,482 INFO L470 AbstractCegarLoop]: Abstraction has 3945 states and 5472 transitions. [2021-11-12 23:49:55,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:49:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 5472 transitions. [2021-11-12 23:49:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-12 23:49:55,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:55,486 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:49:55,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-12 23:49:55,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:49:55,711 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:49:55,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2137616686, now seen corresponding path program 1 times [2021-11-12 23:49:55,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:49:55,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436963934] [2021-11-12 23:49:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:55,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:49:55,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:49:55,717 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:49:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-12 23:49:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:59,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:49:59,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:50:00,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-12 23:50:00,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:50:00,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436963934] [2021-11-12 23:50:00,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436963934] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:00,586 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:00,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:50:00,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949435036] [2021-11-12 23:50:00,586 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:00,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:50:00,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:50:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:50:00,588 INFO L87 Difference]: Start difference. First operand 3945 states and 5472 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:50:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:01,619 INFO L93 Difference]: Finished difference Result 7824 states and 11044 transitions. [2021-11-12 23:50:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:50:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 187 [2021-11-12 23:50:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:01,648 INFO L225 Difference]: With dead ends: 7824 [2021-11-12 23:50:01,649 INFO L226 Difference]: Without dead ends: 7637 [2021-11-12 23:50:01,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:50:01,654 INFO L933 BasicCegarLoop]: 4150 mSDtfsCounter, 2567 mSDsluCounter, 11059 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 15209 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:01,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2567 Valid, 15209 Invalid, 19 Unknown, 0 Unchecked, 22.77ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 49.92ms Time] [2021-11-12 23:50:01,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7637 states. [2021-11-12 23:50:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7637 to 7623. [2021-11-12 23:50:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7623 states, 5106 states have (on average 1.2463768115942029) internal successors, (6364), 5348 states have internal predecessors, (6364), 2105 states have call successors, (2105), 408 states have call predecessors, (2105), 406 states have return successors, (2349), 1954 states have call predecessors, (2349), 2101 states have call successors, (2349) [2021-11-12 23:50:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7623 states to 7623 states and 10818 transitions. [2021-11-12 23:50:03,021 INFO L78 Accepts]: Start accepts. Automaton has 7623 states and 10818 transitions. Word has length 187 [2021-11-12 23:50:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:03,021 INFO L470 AbstractCegarLoop]: Abstraction has 7623 states and 10818 transitions. [2021-11-12 23:50:03,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 5 states have internal predecessors, (207), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:50:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7623 states and 10818 transitions. [2021-11-12 23:50:03,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-12 23:50:03,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:03,025 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 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, 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] [2021-11-12 23:50:03,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:03,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:50:03,251 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:50:03,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:03,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1629830754, now seen corresponding path program 1 times [2021-11-12 23:50:03,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:03,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139003381] [2021-11-12 23:50:03,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:03,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:03,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:03,257 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:03,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-12 23:50:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:07,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2985 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-12 23:50:07,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:50:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2021-11-12 23:50:08,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:50:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2021-11-12 23:50:10,517 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:50:10,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139003381] [2021-11-12 23:50:10,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139003381] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:10,518 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:10,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 27 [2021-11-12 23:50:10,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162302662] [2021-11-12 23:50:10,519 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:10,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-12 23:50:10,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:10,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-12 23:50:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:50:10,521 INFO L87 Difference]: Start difference. First operand 7623 states and 10818 transitions. Second operand has 27 states, 25 states have (on average 4.24) internal successors, (106), 23 states have internal predecessors, (106), 10 states have call successors, (42), 2 states have call predecessors, (42), 7 states have return successors, (39), 12 states have call predecessors, (39), 10 states have call successors, (39) [2021-11-12 23:50:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:25,115 INFO L93 Difference]: Finished difference Result 23701 states and 34817 transitions. [2021-11-12 23:50:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-12 23:50:25,116 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.24) internal successors, (106), 23 states have internal predecessors, (106), 10 states have call successors, (42), 2 states have call predecessors, (42), 7 states have return successors, (39), 12 states have call predecessors, (39), 10 states have call successors, (39) Word has length 239 [2021-11-12 23:50:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:25,192 INFO L225 Difference]: With dead ends: 23701 [2021-11-12 23:50:25,192 INFO L226 Difference]: Without dead ends: 16278 [2021-11-12 23:50:25,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=193, Invalid=1289, Unknown=0, NotChecked=0, Total=1482 [2021-11-12 23:50:25,324 INFO L933 BasicCegarLoop]: 4007 mSDtfsCounter, 8536 mSDsluCounter, 67318 mSDsCounter, 0 mSdLazyCounter, 2661 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9006.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8821 SdHoareTripleChecker+Valid, 71325 SdHoareTripleChecker+Invalid, 6994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 137.26ms SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 2661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10020.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:25,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8821 Valid, 71325 Invalid, 6994 Unknown, 0 Unchecked, 137.26ms Time], IncrementalHoareTripleChecker [4333 Valid, 2661 Invalid, 0 Unknown, 0 Unchecked, 10020.74ms Time] [2021-11-12 23:50:25,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16278 states. [2021-11-12 23:50:27,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16278 to 7647. [2021-11-12 23:50:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7647 states, 5121 states have (on average 1.2456551454793985) internal successors, (6379), 5366 states have internal predecessors, (6379), 2110 states have call successors, (2110), 408 states have call predecessors, (2110), 410 states have return successors, (2359), 1960 states have call predecessors, (2359), 2106 states have call successors, (2359) [2021-11-12 23:50:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7647 states to 7647 states and 10848 transitions. [2021-11-12 23:50:27,401 INFO L78 Accepts]: Start accepts. Automaton has 7647 states and 10848 transitions. Word has length 239 [2021-11-12 23:50:27,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:27,401 INFO L470 AbstractCegarLoop]: Abstraction has 7647 states and 10848 transitions. [2021-11-12 23:50:27,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.24) internal successors, (106), 23 states have internal predecessors, (106), 10 states have call successors, (42), 2 states have call predecessors, (42), 7 states have return successors, (39), 12 states have call predecessors, (39), 10 states have call successors, (39) [2021-11-12 23:50:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7647 states and 10848 transitions. [2021-11-12 23:50:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-12 23:50:27,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:27,406 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 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] [2021-11-12 23:50:27,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-12 23:50:27,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:50:27,619 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-12 23:50:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1360171354, now seen corresponding path program 1 times [2021-11-12 23:50:27,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:50:27,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249687879] [2021-11-12 23:50:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:27,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:50:27,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:50:27,625 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:50:27,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57a607c0-8160-4ea7-9bf5-ee88e5a0dd1b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-12 23:54:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:54:09,017 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.