./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--video--fbdev--s3fb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs --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 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:30:24,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:30:24,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:30:24,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:30:24,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:30:24,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:30:24,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:30:24,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:30:24,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:30:24,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:30:24,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:30:24,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:30:24,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:30:24,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:30:24,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:30:24,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:30:24,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:30:24,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:30:24,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:30:24,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:30:24,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:30:24,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:30:24,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:30:24,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:30:24,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:30:24,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:30:24,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:30:24,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:30:24,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:30:24,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:30:24,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:30:24,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:30:24,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:30:24,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:30:24,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:30:24,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:30:24,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:30:24,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:30:24,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:30:24,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:30:24,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:30:24,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:30:24,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:30:24,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:30:24,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:30:24,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:30:24,764 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:30:24,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:30:24,765 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:30:24,765 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:30:24,765 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:30:24,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:30:24,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:30:24,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:30:24,767 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:30:24,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:30:24,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:30:24,768 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:30:24,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:30:24,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:30:24,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:30:24,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:30:24,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:30:24,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:30:24,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:30:24,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:30:24,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:30:24,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:30:24,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:30:24,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:30:24,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:24,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:30:24,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:30:24,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:30:24,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:30:24,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:30:24,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:30:24,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:30:24,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:30:24,782 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_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e [2021-11-19 13:30:25,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:30:25,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:30:25,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:30:25,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:30:25,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:30:25,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-11-19 13:30:25,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/37b194abd/67892b4e66434a3dbb60cdbdd969c38c/FLAG113a0ffbd [2021-11-19 13:30:26,105 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:30:26,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-11-19 13:30:26,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/37b194abd/67892b4e66434a3dbb60cdbdd969c38c/FLAG113a0ffbd [2021-11-19 13:30:26,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/37b194abd/67892b4e66434a3dbb60cdbdd969c38c [2021-11-19 13:30:26,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:30:26,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:30:26,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:26,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:30:26,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:30:26,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:26" (1/1) ... [2021-11-19 13:30:26,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26669583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:26, skipping insertion in model container [2021-11-19 13:30:26,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:26" (1/1) ... [2021-11-19 13:30:26,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:30:26,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:30:30,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-11-19 13:30:30,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-11-19 13:30:30,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-11-19 13:30:30,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-11-19 13:30:30,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-11-19 13:30:30,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-11-19 13:30:30,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-11-19 13:30:30,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-11-19 13:30:30,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-11-19 13:30:30,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-11-19 13:30:30,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-11-19 13:30:30,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-11-19 13:30:30,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-11-19 13:30:30,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-11-19 13:30:30,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-11-19 13:30:30,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-11-19 13:30:30,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-11-19 13:30:30,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-11-19 13:30:30,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-11-19 13:30:30,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-11-19 13:30:30,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-11-19 13:30:30,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-11-19 13:30:30,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-11-19 13:30:30,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-11-19 13:30:30,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-11-19 13:30:30,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-11-19 13:30:30,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-11-19 13:30:30,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-11-19 13:30:30,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-11-19 13:30:30,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-11-19 13:30:30,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-11-19 13:30:30,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-11-19 13:30:30,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-11-19 13:30:30,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-11-19 13:30:30,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-11-19 13:30:30,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-11-19 13:30:30,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-11-19 13:30:30,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-11-19 13:30:30,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-11-19 13:30:30,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-11-19 13:30:30,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-11-19 13:30:30,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-11-19 13:30:30,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-11-19 13:30:30,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-11-19 13:30:30,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-11-19 13:30:30,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-11-19 13:30:30,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-11-19 13:30:30,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-11-19 13:30:30,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-11-19 13:30:30,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-11-19 13:30:30,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-11-19 13:30:30,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-11-19 13:30:30,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-11-19 13:30:30,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-11-19 13:30:30,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-11-19 13:30:30,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-11-19 13:30:30,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-11-19 13:30:30,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-11-19 13:30:30,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-11-19 13:30:30,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-11-19 13:30:30,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-11-19 13:30:30,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-11-19 13:30:30,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-11-19 13:30:30,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-11-19 13:30:30,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-11-19 13:30:30,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-11-19 13:30:30,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-11-19 13:30:30,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-11-19 13:30:30,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-11-19 13:30:30,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-11-19 13:30:30,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-11-19 13:30:30,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-11-19 13:30:30,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-11-19 13:30:30,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-11-19 13:30:30,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-11-19 13:30:30,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-11-19 13:30:30,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-11-19 13:30:30,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-11-19 13:30:30,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-11-19 13:30:30,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-11-19 13:30:30,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-11-19 13:30:30,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-11-19 13:30:30,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-11-19 13:30:30,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-11-19 13:30:30,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-11-19 13:30:30,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-11-19 13:30:30,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-11-19 13:30:30,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-11-19 13:30:30,203 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:30,243 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) [2021-11-19 13:30:30,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a370ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:30, skipping insertion in model container [2021-11-19 13:30:30,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:30,244 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:30:30,246 INFO L158 Benchmark]: Toolchain (without parser) took 3688.47ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 58.0MB in the end (delta: -14.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-19 13:30:30,247 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:30:30,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3686.27ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 43.5MB in the beginning and 58.0MB in the end (delta: -14.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-19 13:30:30,249 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 98.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3686.27ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 43.5MB in the beginning and 58.0MB in the end (delta: -14.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5455]: 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_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs --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 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:30:32,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:30:32,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:30:32,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:30:32,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:30:32,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:30:32,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:30:32,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:30:32,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:30:32,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:30:32,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:30:32,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:30:32,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:30:32,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:30:32,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:30:32,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:30:32,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:30:32,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:30:32,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:30:32,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:30:32,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:30:32,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:30:32,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:30:32,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:30:32,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:30:32,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:30:32,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:30:32,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:30:32,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:30:32,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:30:32,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:30:32,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:30:32,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:30:32,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:30:32,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:30:32,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:30:32,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:30:32,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:30:32,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:30:32,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:30:32,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:30:32,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:30:32,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:30:32,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:30:32,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:30:32,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:30:32,685 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:30:32,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:30:32,685 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:30:32,685 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:30:32,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:30:32,686 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:30:32,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:30:32,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:30:32,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:30:32,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:30:32,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:30:32,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:30:32,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:30:32,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:32,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:30:32,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:30:32,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:30:32,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:30:32,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:30:32,690 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_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e [2021-11-19 13:30:33,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:30:33,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:30:33,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:30:33,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:30:33,133 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:30:33,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-11-19 13:30:33,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/1afef63fa/c5d1f9ef2b874492af13af7dcef4ab6b/FLAG0296c6a8c [2021-11-19 13:30:34,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:30:34,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-11-19 13:30:34,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/1afef63fa/c5d1f9ef2b874492af13af7dcef4ab6b/FLAG0296c6a8c [2021-11-19 13:30:34,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/data/1afef63fa/c5d1f9ef2b874492af13af7dcef4ab6b [2021-11-19 13:30:34,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:30:34,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:30:34,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:34,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:30:34,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:30:34,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:34" (1/1) ... [2021-11-19 13:30:34,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686b21e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:34, skipping insertion in model container [2021-11-19 13:30:34,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:30:34" (1/1) ... [2021-11-19 13:30:34,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:30:34,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:30:38,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-11-19 13:30:38,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-11-19 13:30:38,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-11-19 13:30:38,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-11-19 13:30:38,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-11-19 13:30:38,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-11-19 13:30:38,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-11-19 13:30:38,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-11-19 13:30:38,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-11-19 13:30:38,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-11-19 13:30:38,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-11-19 13:30:38,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-11-19 13:30:38,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-11-19 13:30:38,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-11-19 13:30:38,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-11-19 13:30:38,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-11-19 13:30:38,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-11-19 13:30:38,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-11-19 13:30:38,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-11-19 13:30:38,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-11-19 13:30:38,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-11-19 13:30:38,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-11-19 13:30:38,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-11-19 13:30:38,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-11-19 13:30:38,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-11-19 13:30:38,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-11-19 13:30:38,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-11-19 13:30:38,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-11-19 13:30:38,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-11-19 13:30:38,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-11-19 13:30:38,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-11-19 13:30:38,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-11-19 13:30:38,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-11-19 13:30:38,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-11-19 13:30:38,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-11-19 13:30:38,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-11-19 13:30:38,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-11-19 13:30:38,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-11-19 13:30:38,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-11-19 13:30:38,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-11-19 13:30:38,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-11-19 13:30:38,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-11-19 13:30:38,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-11-19 13:30:38,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-11-19 13:30:38,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-11-19 13:30:38,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-11-19 13:30:38,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-11-19 13:30:38,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-11-19 13:30:38,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-11-19 13:30:38,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-11-19 13:30:38,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-11-19 13:30:38,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-11-19 13:30:38,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-11-19 13:30:38,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-11-19 13:30:38,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-11-19 13:30:38,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-11-19 13:30:38,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-11-19 13:30:38,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-11-19 13:30:38,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-11-19 13:30:38,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-11-19 13:30:38,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-11-19 13:30:38,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-11-19 13:30:38,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-11-19 13:30:38,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-11-19 13:30:38,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-11-19 13:30:38,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-11-19 13:30:38,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-11-19 13:30:38,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-11-19 13:30:38,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-11-19 13:30:38,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-11-19 13:30:38,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-11-19 13:30:38,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-11-19 13:30:38,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-11-19 13:30:38,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-11-19 13:30:38,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-11-19 13:30:38,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-11-19 13:30:38,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-11-19 13:30:38,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-11-19 13:30:38,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-11-19 13:30:38,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-11-19 13:30:38,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-11-19 13:30:38,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-11-19 13:30:38,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-11-19 13:30:38,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-11-19 13:30:38,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-11-19 13:30:38,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-11-19 13:30:38,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-11-19 13:30:38,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-11-19 13:30:38,299 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:38,379 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:30:38,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:30:38,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-11-19 13:30:38,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-11-19 13:30:38,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-11-19 13:30:38,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-11-19 13:30:38,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-11-19 13:30:38,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-11-19 13:30:38,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-11-19 13:30:38,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-11-19 13:30:38,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-11-19 13:30:38,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-11-19 13:30:38,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-11-19 13:30:38,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-11-19 13:30:38,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-11-19 13:30:38,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-11-19 13:30:38,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-11-19 13:30:38,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-11-19 13:30:38,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-11-19 13:30:38,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-11-19 13:30:38,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-11-19 13:30:38,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-11-19 13:30:38,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-11-19 13:30:38,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-11-19 13:30:38,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-11-19 13:30:38,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-11-19 13:30:38,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-11-19 13:30:38,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-11-19 13:30:38,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-11-19 13:30:38,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-11-19 13:30:38,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-11-19 13:30:38,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-11-19 13:30:38,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-11-19 13:30:38,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-11-19 13:30:38,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-11-19 13:30:38,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-11-19 13:30:38,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-11-19 13:30:38,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-11-19 13:30:38,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-11-19 13:30:38,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-11-19 13:30:38,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-11-19 13:30:38,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-11-19 13:30:38,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-11-19 13:30:38,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-11-19 13:30:38,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-11-19 13:30:38,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-11-19 13:30:38,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-11-19 13:30:38,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-11-19 13:30:38,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-11-19 13:30:38,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-11-19 13:30:38,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-11-19 13:30:38,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-11-19 13:30:38,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-11-19 13:30:38,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-11-19 13:30:38,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-11-19 13:30:38,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-11-19 13:30:38,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-11-19 13:30:38,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-11-19 13:30:38,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-11-19 13:30:38,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-11-19 13:30:38,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-11-19 13:30:38,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-11-19 13:30:38,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-11-19 13:30:38,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-11-19 13:30:38,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-11-19 13:30:38,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-11-19 13:30:38,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-11-19 13:30:38,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-11-19 13:30:38,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-11-19 13:30:38,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-11-19 13:30:38,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-11-19 13:30:38,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-11-19 13:30:38,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-11-19 13:30:38,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-11-19 13:30:38,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-11-19 13:30:38,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-11-19 13:30:38,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-11-19 13:30:38,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-11-19 13:30:38,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-11-19 13:30:38,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-11-19 13:30:38,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-11-19 13:30:38,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-11-19 13:30:38,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-11-19 13:30:38,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-11-19 13:30:38,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-11-19 13:30:38,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-11-19 13:30:38,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-11-19 13:30:38,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-11-19 13:30:38,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-11-19 13:30:38,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-11-19 13:30:38,928 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:38,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:30:39,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-11-19 13:30:39,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-11-19 13:30:39,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-11-19 13:30:39,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-11-19 13:30:39,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-11-19 13:30:39,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-11-19 13:30:39,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-11-19 13:30:39,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-11-19 13:30:39,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-11-19 13:30:39,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-11-19 13:30:39,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-11-19 13:30:39,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-11-19 13:30:39,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-11-19 13:30:39,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-11-19 13:30:39,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-11-19 13:30:39,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-11-19 13:30:39,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-11-19 13:30:39,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-11-19 13:30:39,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-11-19 13:30:39,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-11-19 13:30:39,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-11-19 13:30:39,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-11-19 13:30:39,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-11-19 13:30:39,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-11-19 13:30:39,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-11-19 13:30:39,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-11-19 13:30:39,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-11-19 13:30:39,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-11-19 13:30:39,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-11-19 13:30:39,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-11-19 13:30:39,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-11-19 13:30:39,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-11-19 13:30:39,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-11-19 13:30:39,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-11-19 13:30:39,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-11-19 13:30:39,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-11-19 13:30:39,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-11-19 13:30:39,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-11-19 13:30:39,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-11-19 13:30:39,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-11-19 13:30:39,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-11-19 13:30:39,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-11-19 13:30:39,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-11-19 13:30:39,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-11-19 13:30:39,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-11-19 13:30:39,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-11-19 13:30:39,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-11-19 13:30:39,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-11-19 13:30:39,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-11-19 13:30:39,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-11-19 13:30:39,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-11-19 13:30:39,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-11-19 13:30:39,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-11-19 13:30:39,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-11-19 13:30:39,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-11-19 13:30:39,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-11-19 13:30:39,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-11-19 13:30:39,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-11-19 13:30:39,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-11-19 13:30:39,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-11-19 13:30:39,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-11-19 13:30:39,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-11-19 13:30:39,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-11-19 13:30:39,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-11-19 13:30:39,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-11-19 13:30:39,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-11-19 13:30:39,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-11-19 13:30:39,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-11-19 13:30:39,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-11-19 13:30:39,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-11-19 13:30:39,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-11-19 13:30:39,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-11-19 13:30:39,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-11-19 13:30:39,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-11-19 13:30:39,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-11-19 13:30:39,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-11-19 13:30:39,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-11-19 13:30:39,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-11-19 13:30:39,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-11-19 13:30:39,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-11-19 13:30:39,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-11-19 13:30:39,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-11-19 13:30:39,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-11-19 13:30:39,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-11-19 13:30:39,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-11-19 13:30:39,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-11-19 13:30:39,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-11-19 13:30:39,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-11-19 13:30:39,297 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:30:39,580 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:30:39,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39 WrapperNode [2021-11-19 13:30:39,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:30:39,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:30:39,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:30:39,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:30:39,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:39,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:39,966 INFO L137 Inliner]: procedures = 595, calls = 2557, calls flagged for inlining = 277, calls inlined = 189, statements flattened = 5065 [2021-11-19 13:30:39,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:30:39,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:30:39,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:30:39,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:30:39,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:39,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:30:40,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:30:40,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:30:40,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:30:40,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (1/1) ... [2021-11-19 13:30:40,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:30:40,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:30:40,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:30:40,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:30:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2021-11-19 13:30:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2021-11-19 13:30:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 13:30:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 13:30:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:30:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:30:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_needs_mmio [2021-11-19 13:30:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_needs_mmio [2021-11-19 13:30:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:30:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:30:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 13:30:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 13:30:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_read [2021-11-19 13:30:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_read [2021-11-19 13:30:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_set_par [2021-11-19 13:30:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_set_par [2021-11-19 13:30:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 13:30:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 13:30:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure svga_compute_pll [2021-11-19 13:30:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_compute_pll [2021-11-19 13:30:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 13:30:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 13:30:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2021-11-19 13:30:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2021-11-19 13:30:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:30:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:30:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:30:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:30:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:30:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:30:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 13:30:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 13:30:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 13:30:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2021-11-19 13:30:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2021-11-19 13:30:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2021-11-19 13:30:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2021-11-19 13:30:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:30:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:30:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 13:30:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 13:30:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 13:30:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 13:30:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 13:30:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 13:30:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:30:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:30:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 13:30:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 13:30:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 13:30:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 13:30:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-11-19 13:30:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-11-19 13:30:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2021-11-19 13:30:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2021-11-19 13:30:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2021-11-19 13:30:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2021-11-19 13:30:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:30:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:30:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:30:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-11-19 13:30:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-11-19 13:30:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 13:30:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 13:30:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2021-11-19 13:30:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2021-11-19 13:30:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_tilemax [2021-11-19 13:30:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_get_tilemax [2021-11-19 13:30:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-11-19 13:30:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-11-19 13:30:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-19 13:30:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-19 13:30:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:30:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:30:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2021-11-19 13:30:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2021-11-19 13:30:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:30:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-11-19 13:30:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:30:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rcrt [2021-11-19 13:30:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rcrt [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-11-19 13:30:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-11-19 13:30:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-19 13:30:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-19 13:30:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_remove [2021-11-19 13:30:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_remove [2021-11-19 13:30:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:30:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:30:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 13:30:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 13:30:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 13:30:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 13:30:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 13:30:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 13:30:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:30:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 13:30:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 13:30:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:30:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-11-19 13:30:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-11-19 13:30:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:30:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:30:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:30:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:30:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-19 13:30:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-19 13:30:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:30:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 13:30:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 13:30:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 13:30:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 13:30:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:30:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:30:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2021-11-19 13:30:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2021-11-19 13:30:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_resume [2021-11-19 13:30:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_resume [2021-11-19 13:30:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-11-19 13:30:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-11-19 13:30:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 13:30:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 13:30:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 13:30:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 13:30:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 13:30:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 13:30:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 13:30:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 13:30:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 13:30:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:30:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 13:30:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 13:30:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:30:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:30:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-11-19 13:30:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-11-19 13:30:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-11-19 13:30:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-11-19 13:30:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2021-11-19 13:30:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2021-11-19 13:30:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:30:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:30:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 13:30:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 13:30:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-11-19 13:30:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-11-19 13:30:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:30:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:30:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:30:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:30:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_check_var [2021-11-19 13:30:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_check_var [2021-11-19 13:30:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-19 13:30:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-19 13:30:41,189 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:30:41,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:30:41,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:31:07,970 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:31:07,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:31:07,989 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 13:31:07,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:31:07 BoogieIcfgContainer [2021-11-19 13:31:07,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:31:07,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:31:07,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:31:07,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:31:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:30:34" (1/3) ... [2021-11-19 13:31:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b45268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:31:08, skipping insertion in model container [2021-11-19 13:31:08,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:30:39" (2/3) ... [2021-11-19 13:31:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b45268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:31:08, skipping insertion in model container [2021-11-19 13:31:08,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:31:07" (3/3) ... [2021-11-19 13:31:08,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-11-19 13:31:08,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:31:08,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-11-19 13:31:08,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:31:08,092 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 [2021-11-19 13:31:08,092 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-19 13:31:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) [2021-11-19 13:31:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-19 13:31:08,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:08,164 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:08,164 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:08,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:08,170 INFO L85 PathProgramCache]: Analyzing trace with hash 86649321, now seen corresponding path program 1 times [2021-11-19 13:31:08,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:08,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398288546] [2021-11-19 13:31:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:08,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:08,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:08,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:31:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:11,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 2397 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:31:11,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 13:31:12,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:12,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:12,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398288546] [2021-11-19 13:31:12,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398288546] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:12,597 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:12,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-19 13:31:12,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860773501] [2021-11-19 13:31:12,600 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:12,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:31:12,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:12,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:31:12,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:31:12,646 INFO L87 Difference]: Start difference. First operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:31:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:13,628 INFO L93 Difference]: Finished difference Result 2930 states and 4062 transitions. [2021-11-19 13:31:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:31:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 71 [2021-11-19 13:31:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:13,655 INFO L225 Difference]: With dead ends: 2930 [2021-11-19 13:31:13,656 INFO L226 Difference]: Without dead ends: 1458 [2021-11-19 13:31:13,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:31:13,671 INFO L933 BasicCegarLoop]: 1959 mSDtfsCounter, 610 mSDsluCounter, 7031 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 8990 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 36 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:13,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [791 Valid, 8990 Invalid, 105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 36 Unchecked, 0.7s Time] [2021-11-19 13:31:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2021-11-19 13:31:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1458. [2021-11-19 13:31:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1023 states have (on average 1.2668621700879765) internal successors, (1296), 1061 states have internal predecessors, (1296), 334 states have call successors, (334), 76 states have call predecessors, (334), 75 states have return successors, (332), 330 states have call predecessors, (332), 332 states have call successors, (332) [2021-11-19 13:31:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1962 transitions. [2021-11-19 13:31:13,826 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1962 transitions. Word has length 71 [2021-11-19 13:31:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:13,828 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 1962 transitions. [2021-11-19 13:31:13,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 13:31:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1962 transitions. [2021-11-19 13:31:13,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-19 13:31:13,832 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:13,832 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:13,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:14,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:14,046 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:14,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:14,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1347566571, now seen corresponding path program 1 times [2021-11-19 13:31:14,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:14,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005144798] [2021-11-19 13:31:14,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:14,061 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:14,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:14,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:14,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:31:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:17,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 2397 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:17,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:17,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:18,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:18,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005144798] [2021-11-19 13:31:18,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005144798] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:18,060 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:18,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:18,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177896679] [2021-11-19 13:31:18,060 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:18,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:18,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:18,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:18,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:18,063 INFO L87 Difference]: Start difference. First operand 1458 states and 1962 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-19 13:31:18,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:18,304 INFO L93 Difference]: Finished difference Result 2887 states and 3888 transitions. [2021-11-19 13:31:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:31:18,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 [2021-11-19 13:31:18,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:18,337 INFO L225 Difference]: With dead ends: 2887 [2021-11-19 13:31:18,337 INFO L226 Difference]: Without dead ends: 2885 [2021-11-19 13:31:18,340 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 [2021-11-19 13:31:18,341 INFO L933 BasicCegarLoop]: 2288 mSDtfsCounter, 1902 mSDsluCounter, 4214 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 6502 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:18,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1904 Valid, 6502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2021-11-19 13:31:18,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2698. [2021-11-19 13:31:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1922 states have (on average 1.2721123829344434) internal successors, (2445), 1973 states have internal predecessors, (2445), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3684 transitions. [2021-11-19 13:31:18,594 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3684 transitions. Word has length 71 [2021-11-19 13:31:18,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:18,595 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3684 transitions. [2021-11-19 13:31:18,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2021-11-19 13:31:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3684 transitions. [2021-11-19 13:31:18,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-19 13:31:18,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:18,607 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:18,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:18,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:18,828 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:18,828 INFO L85 PathProgramCache]: Analyzing trace with hash -600505974, now seen corresponding path program 1 times [2021-11-19 13:31:18,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:18,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438981821] [2021-11-19 13:31:18,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:18,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:18,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:18,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:18,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:31:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:21,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 2406 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:21,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:22,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:22,846 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:22,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438981821] [2021-11-19 13:31:22,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438981821] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:22,846 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:22,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:22,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161546253] [2021-11-19 13:31:22,847 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:22,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:22,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:22,848 INFO L87 Difference]: Start difference. First operand 2698 states and 3684 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2021-11-19 13:31:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:23,049 INFO L93 Difference]: Finished difference Result 2698 states and 3684 transitions. [2021-11-19 13:31:23,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:23,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 [2021-11-19 13:31:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:23,073 INFO L225 Difference]: With dead ends: 2698 [2021-11-19 13:31:23,074 INFO L226 Difference]: Without dead ends: 2696 [2021-11-19 13:31:23,076 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 [2021-11-19 13:31:23,079 INFO L933 BasicCegarLoop]: 1958 mSDtfsCounter, 1898 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 5870 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:23,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1900 Valid, 5870 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2021-11-19 13:31:23,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2696. [2021-11-19 13:31:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1921 states have (on average 1.2717334721499218) internal successors, (2443), 1971 states have internal predecessors, (2443), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3682 transitions. [2021-11-19 13:31:23,321 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3682 transitions. Word has length 77 [2021-11-19 13:31:23,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:23,322 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3682 transitions. [2021-11-19 13:31:23,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2021-11-19 13:31:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3682 transitions. [2021-11-19 13:31:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-19 13:31:23,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:23,326 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:23,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:23,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:23,540 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:23,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:23,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1214144161, now seen corresponding path program 1 times [2021-11-19 13:31:23,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:23,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542494357] [2021-11-19 13:31:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:23,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:23,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:23,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:31:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:26,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:27,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:27,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:27,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542494357] [2021-11-19 13:31:27,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542494357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:27,459 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:27,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:27,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39442512] [2021-11-19 13:31:27,460 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:27,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:27,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:27,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:27,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:27,461 INFO L87 Difference]: Start difference. First operand 2696 states and 3682 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-11-19 13:31:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:27,646 INFO L93 Difference]: Finished difference Result 2696 states and 3682 transitions. [2021-11-19 13:31:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 [2021-11-19 13:31:27,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:27,672 INFO L225 Difference]: With dead ends: 2696 [2021-11-19 13:31:27,672 INFO L226 Difference]: Without dead ends: 2694 [2021-11-19 13:31:27,675 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 [2021-11-19 13:31:27,677 INFO L933 BasicCegarLoop]: 1956 mSDtfsCounter, 1890 mSDsluCounter, 3908 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 5864 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:27,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1892 Valid, 5864 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:27,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2021-11-19 13:31:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2021-11-19 13:31:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1920 states have (on average 1.2713541666666666) internal successors, (2441), 1969 states have internal predecessors, (2441), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3680 transitions. [2021-11-19 13:31:27,909 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3680 transitions. Word has length 83 [2021-11-19 13:31:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:27,911 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3680 transitions. [2021-11-19 13:31:27,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2021-11-19 13:31:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3680 transitions. [2021-11-19 13:31:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-19 13:31:27,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:27,913 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:27,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:28,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:28,135 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:28,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:28,135 INFO L85 PathProgramCache]: Analyzing trace with hash -17934160, now seen corresponding path program 1 times [2021-11-19 13:31:28,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:28,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229957595] [2021-11-19 13:31:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:28,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:28,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:28,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:28,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:31:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:31,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 2424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:31,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:31,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:32,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:32,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229957595] [2021-11-19 13:31:32,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229957595] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:32,083 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:32,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:32,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315307852] [2021-11-19 13:31:32,083 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:32,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:32,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:32,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:32,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:32,085 INFO L87 Difference]: Start difference. First operand 2694 states and 3680 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-11-19 13:31:32,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:32,256 INFO L93 Difference]: Finished difference Result 2694 states and 3680 transitions. [2021-11-19 13:31:32,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:32,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 [2021-11-19 13:31:32,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:32,278 INFO L225 Difference]: With dead ends: 2694 [2021-11-19 13:31:32,278 INFO L226 Difference]: Without dead ends: 2692 [2021-11-19 13:31:32,282 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 [2021-11-19 13:31:32,283 INFO L933 BasicCegarLoop]: 1954 mSDtfsCounter, 1882 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 5858 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:32,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 5858 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-11-19 13:31:32,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2021-11-19 13:31:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 1919 states have (on average 1.2709744658676394) internal successors, (2439), 1967 states have internal predecessors, (2439), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3678 transitions. [2021-11-19 13:31:32,462 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3678 transitions. Word has length 89 [2021-11-19 13:31:32,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:32,463 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3678 transitions. [2021-11-19 13:31:32,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-11-19 13:31:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3678 transitions. [2021-11-19 13:31:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-19 13:31:32,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:32,469 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:32,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:32,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:32,692 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:32,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1095247105, now seen corresponding path program 1 times [2021-11-19 13:31:32,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:32,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744127941] [2021-11-19 13:31:32,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:32,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:32,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:32,696 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:32,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:31:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:35,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 2433 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:35,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:36,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:36,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:36,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744127941] [2021-11-19 13:31:36,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744127941] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:36,552 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:36,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:36,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639728390] [2021-11-19 13:31:36,553 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:36,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:36,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:36,554 INFO L87 Difference]: Start difference. First operand 2692 states and 3678 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2021-11-19 13:31:36,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:36,721 INFO L93 Difference]: Finished difference Result 2692 states and 3678 transitions. [2021-11-19 13:31:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:36,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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 [2021-11-19 13:31:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:36,742 INFO L225 Difference]: With dead ends: 2692 [2021-11-19 13:31:36,742 INFO L226 Difference]: Without dead ends: 2690 [2021-11-19 13:31:36,745 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 [2021-11-19 13:31:36,746 INFO L933 BasicCegarLoop]: 1952 mSDtfsCounter, 1874 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 5852 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:36,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1876 Valid, 5852 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-11-19 13:31:36,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2021-11-19 13:31:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1918 states have (on average 1.2705943691345152) internal successors, (2437), 1965 states have internal predecessors, (2437), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3676 transitions. [2021-11-19 13:31:36,965 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3676 transitions. Word has length 95 [2021-11-19 13:31:36,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:36,966 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3676 transitions. [2021-11-19 13:31:36,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2021-11-19 13:31:36,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3676 transitions. [2021-11-19 13:31:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 13:31:36,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:36,971 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 13:31:37,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:37,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:37,195 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:37,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:37,196 INFO L85 PathProgramCache]: Analyzing trace with hash 904445687, now seen corresponding path program 1 times [2021-11-19 13:31:37,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:37,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804528277] [2021-11-19 13:31:37,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:37,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:37,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:37,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:37,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:31:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:40,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2606 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 13:31:40,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-19 13:31:41,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:31:43,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:43,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804528277] [2021-11-19 13:31:43,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804528277] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:31:43,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:31:43,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2021-11-19 13:31:43,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736363781] [2021-11-19 13:31:43,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:43,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 13:31:43,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:43,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 13:31:43,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-19 13:31:43,611 INFO L87 Difference]: Start difference. First operand 2690 states and 3676 transitions. Second operand has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 13:31:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:45,054 INFO L93 Difference]: Finished difference Result 5431 states and 7441 transitions. [2021-11-19 13:31:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 13:31:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 119 [2021-11-19 13:31:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:45,074 INFO L225 Difference]: With dead ends: 5431 [2021-11-19 13:31:45,075 INFO L226 Difference]: Without dead ends: 2762 [2021-11-19 13:31:45,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-19 13:31:45,088 INFO L933 BasicCegarLoop]: 2045 mSDtfsCounter, 603 mSDsluCounter, 15551 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 17596 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:45,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [779 Valid, 17596 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:31:45,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2021-11-19 13:31:45,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2690. [2021-11-19 13:31:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1918 states have (on average 1.27007299270073) internal successors, (2436), 1964 states have internal predecessors, (2436), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3675 transitions. [2021-11-19 13:31:45,334 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3675 transitions. Word has length 119 [2021-11-19 13:31:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:45,334 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3675 transitions. [2021-11-19 13:31:45,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 13:31:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3675 transitions. [2021-11-19 13:31:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-19 13:31:45,336 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:45,336 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:45,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:45,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:45,552 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1414895051, now seen corresponding path program 1 times [2021-11-19 13:31:45,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:45,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124270799] [2021-11-19 13:31:45,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:45,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:45,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:45,555 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:45,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 13:31:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:48,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:48,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:49,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:49,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:49,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124270799] [2021-11-19 13:31:49,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124270799] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:49,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:49,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:49,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364449503] [2021-11-19 13:31:49,430 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:49,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:49,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:49,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:49,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:49,432 INFO L87 Difference]: Start difference. First operand 2690 states and 3675 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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) [2021-11-19 13:31:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:49,627 INFO L93 Difference]: Finished difference Result 2690 states and 3675 transitions. [2021-11-19 13:31:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:49,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 [2021-11-19 13:31:49,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:49,648 INFO L225 Difference]: With dead ends: 2690 [2021-11-19 13:31:49,648 INFO L226 Difference]: Without dead ends: 2688 [2021-11-19 13:31:49,651 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 [2021-11-19 13:31:49,652 INFO L933 BasicCegarLoop]: 1949 mSDtfsCounter, 1865 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:49,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1867 Valid, 5843 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:49,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2021-11-19 13:31:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2688. [2021-11-19 13:31:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 1917 states have (on average 1.2696922274387064) internal successors, (2434), 1962 states have internal predecessors, (2434), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3673 transitions. [2021-11-19 13:31:49,925 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3673 transitions. Word has length 101 [2021-11-19 13:31:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:49,926 INFO L470 AbstractCegarLoop]: Abstraction has 2688 states and 3673 transitions. [2021-11-19 13:31:49,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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) [2021-11-19 13:31:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3673 transitions. [2021-11-19 13:31:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-19 13:31:49,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:49,928 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 13:31:50,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:50,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:50,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash 380832596, now seen corresponding path program 1 times [2021-11-19 13:31:50,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:50,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610118282] [2021-11-19 13:31:50,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:50,148 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:50,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:50,149 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:50,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:31:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:53,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2617 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:31:53,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:31:54,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:31:54,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:54,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610118282] [2021-11-19 13:31:54,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610118282] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:54,386 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:54,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:31:54,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242536386] [2021-11-19 13:31:54,387 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:54,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:31:54,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:54,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:31:54,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:54,389 INFO L87 Difference]: Start difference. First operand 2688 states and 3673 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 13:31:54,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:54,790 INFO L93 Difference]: Finished difference Result 5345 states and 7304 transitions. [2021-11-19 13:31:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:31:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 123 [2021-11-19 13:31:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:54,810 INFO L225 Difference]: With dead ends: 5345 [2021-11-19 13:31:54,810 INFO L226 Difference]: Without dead ends: 2682 [2021-11-19 13:31:54,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:31:54,823 INFO L933 BasicCegarLoop]: 1945 mSDtfsCounter, 1931 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:54,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1931 Valid, 1945 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:31:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2021-11-19 13:31:55,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2021-11-19 13:31:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 1912 states have (on average 1.268305439330544) internal successors, (2425), 1956 states have internal predecessors, (2425), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 3664 transitions. [2021-11-19 13:31:55,103 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 3664 transitions. Word has length 123 [2021-11-19 13:31:55,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:55,103 INFO L470 AbstractCegarLoop]: Abstraction has 2682 states and 3664 transitions. [2021-11-19 13:31:55,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 13:31:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3664 transitions. [2021-11-19 13:31:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-19 13:31:55,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:55,107 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:31:55,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:55,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:55,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:55,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1682349341, now seen corresponding path program 1 times [2021-11-19 13:31:55,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:55,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340434623] [2021-11-19 13:31:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:55,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:55,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:55,335 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:55,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 13:31:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:31:58,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:31:58,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:31:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:58,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:31:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:31:59,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:31:59,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340434623] [2021-11-19 13:31:59,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340434623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:31:59,163 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:31:59,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:31:59,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275474105] [2021-11-19 13:31:59,164 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:31:59,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:31:59,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:31:59,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:31:59,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:31:59,165 INFO L87 Difference]: Start difference. First operand 2682 states and 3664 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2021-11-19 13:31:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:31:59,396 INFO L93 Difference]: Finished difference Result 2682 states and 3664 transitions. [2021-11-19 13:31:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:31:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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 [2021-11-19 13:31:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:31:59,414 INFO L225 Difference]: With dead ends: 2682 [2021-11-19 13:31:59,414 INFO L226 Difference]: Without dead ends: 2680 [2021-11-19 13:31:59,416 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 [2021-11-19 13:31:59,417 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 1855 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:31:59,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1857 Valid, 3882 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:31:59,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2021-11-19 13:31:59,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2680. [2021-11-19 13:31:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 1911 states have (on average 1.2679225536368393) internal successors, (2423), 1954 states have internal predecessors, (2423), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:31:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 3662 transitions. [2021-11-19 13:31:59,630 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 3662 transitions. Word has length 107 [2021-11-19 13:31:59,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:31:59,631 INFO L470 AbstractCegarLoop]: Abstraction has 2680 states and 3662 transitions. [2021-11-19 13:31:59,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2021-11-19 13:31:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3662 transitions. [2021-11-19 13:31:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-19 13:31:59,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:31:59,634 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 13:31:59,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 13:31:59,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:31:59,847 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:31:59,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:31:59,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1226473219, now seen corresponding path program 1 times [2021-11-19 13:31:59,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:31:59,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110932309] [2021-11-19 13:31:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:31:59,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:31:59,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:31:59,853 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:31:59,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 13:32:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:03,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 2626 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:32:03,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:32:03,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:04,190 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-19 13:32:04,190 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:04,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110932309] [2021-11-19 13:32:04,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110932309] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:04,191 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:04,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:32:04,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161356344] [2021-11-19 13:32:04,191 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:04,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:32:04,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:04,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:32:04,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:32:04,193 INFO L87 Difference]: Start difference. First operand 2680 states and 3662 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 13:32:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:04,656 INFO L93 Difference]: Finished difference Result 5329 states and 7282 transitions. [2021-11-19 13:32:04,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:32:04,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 129 [2021-11-19 13:32:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:04,682 INFO L225 Difference]: With dead ends: 5329 [2021-11-19 13:32:04,689 INFO L226 Difference]: Without dead ends: 2674 [2021-11-19 13:32:04,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:32:04,703 INFO L933 BasicCegarLoop]: 1938 mSDtfsCounter, 1922 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 1938 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:04,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1922 Valid, 1938 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:32:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-11-19 13:32:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2021-11-19 13:32:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1906 states have (on average 1.2665267576075552) internal successors, (2414), 1948 states have internal predecessors, (2414), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3653 transitions. [2021-11-19 13:32:04,925 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3653 transitions. Word has length 129 [2021-11-19 13:32:04,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:04,928 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 3653 transitions. [2021-11-19 13:32:04,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 13:32:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3653 transitions. [2021-11-19 13:32:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 13:32:04,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:04,931 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:05,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:05,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:05,147 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1824234892, now seen corresponding path program 1 times [2021-11-19 13:32:05,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:05,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455782670] [2021-11-19 13:32:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:05,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:05,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:05,151 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 13:32:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:08,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2460 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:08,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:08,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:09,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:09,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455782670] [2021-11-19 13:32:09,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455782670] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:09,049 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:09,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:09,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112491189] [2021-11-19 13:32:09,050 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:09,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:09,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:09,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:09,052 INFO L87 Difference]: Start difference. First operand 2674 states and 3653 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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) [2021-11-19 13:32:09,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:09,290 INFO L93 Difference]: Finished difference Result 2674 states and 3653 transitions. [2021-11-19 13:32:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:09,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 [2021-11-19 13:32:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:09,306 INFO L225 Difference]: With dead ends: 2674 [2021-11-19 13:32:09,307 INFO L226 Difference]: Without dead ends: 2672 [2021-11-19 13:32:09,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:32:09,310 INFO L933 BasicCegarLoop]: 1935 mSDtfsCounter, 1843 mSDsluCounter, 3858 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 5793 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:09,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1845 Valid, 5793 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2021-11-19 13:32:09,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2672. [2021-11-19 13:32:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 1905 states have (on average 1.2661417322834645) internal successors, (2412), 1946 states have internal predecessors, (2412), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3651 transitions. [2021-11-19 13:32:09,581 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3651 transitions. Word has length 113 [2021-11-19 13:32:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:09,582 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 3651 transitions. [2021-11-19 13:32:09,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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) [2021-11-19 13:32:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3651 transitions. [2021-11-19 13:32:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 13:32:09,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:09,584 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:09,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:09,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:09,806 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:09,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash 743203791, now seen corresponding path program 1 times [2021-11-19 13:32:09,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:09,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441149740] [2021-11-19 13:32:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:09,810 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:09,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:09,811 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:09,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 13:32:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:12,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:12,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:13,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:13,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:13,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441149740] [2021-11-19 13:32:13,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441149740] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:13,753 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:13,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:13,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661456946] [2021-11-19 13:32:13,753 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:13,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:13,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:13,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:13,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:13,755 INFO L87 Difference]: Start difference. First operand 2672 states and 3651 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2021-11-19 13:32:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:13,973 INFO L93 Difference]: Finished difference Result 2672 states and 3651 transitions. [2021-11-19 13:32:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:13,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 [2021-11-19 13:32:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:13,984 INFO L225 Difference]: With dead ends: 2672 [2021-11-19 13:32:13,984 INFO L226 Difference]: Without dead ends: 2670 [2021-11-19 13:32:13,986 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 [2021-11-19 13:32:13,987 INFO L933 BasicCegarLoop]: 1933 mSDtfsCounter, 1835 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 5795 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:13,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 5795 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:13,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2021-11-19 13:32:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2021-11-19 13:32:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1904 states have (on average 1.2657563025210083) internal successors, (2410), 1944 states have internal predecessors, (2410), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3649 transitions. [2021-11-19 13:32:14,257 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3649 transitions. Word has length 115 [2021-11-19 13:32:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:14,257 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 3649 transitions. [2021-11-19 13:32:14,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2021-11-19 13:32:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3649 transitions. [2021-11-19 13:32:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-19 13:32:14,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:14,260 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:14,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:14,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:14,475 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:14,476 INFO L85 PathProgramCache]: Analyzing trace with hash 813860424, now seen corresponding path program 1 times [2021-11-19 13:32:14,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:14,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814895802] [2021-11-19 13:32:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:14,479 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:14,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:14,482 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:14,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 13:32:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:17,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 2472 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:17,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:18,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:18,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:18,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814895802] [2021-11-19 13:32:18,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814895802] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:18,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:18,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:18,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626282842] [2021-11-19 13:32:18,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:18,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:18,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:18,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:18,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:18,387 INFO L87 Difference]: Start difference. First operand 2670 states and 3649 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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) [2021-11-19 13:32:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:18,585 INFO L93 Difference]: Finished difference Result 2670 states and 3649 transitions. [2021-11-19 13:32:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:18,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 [2021-11-19 13:32:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:18,594 INFO L225 Difference]: With dead ends: 2670 [2021-11-19 13:32:18,595 INFO L226 Difference]: Without dead ends: 2668 [2021-11-19 13:32:18,596 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 [2021-11-19 13:32:18,597 INFO L933 BasicCegarLoop]: 1931 mSDtfsCounter, 1830 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1832 SdHoareTripleChecker+Valid, 3860 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:18,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1832 Valid, 3860 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:18,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2021-11-19 13:32:18,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 2668. [2021-11-19 13:32:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 1903 states have (on average 1.2653704676826063) internal successors, (2408), 1942 states have internal predecessors, (2408), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 3647 transitions. [2021-11-19 13:32:18,844 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 3647 transitions. Word has length 121 [2021-11-19 13:32:18,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:18,844 INFO L470 AbstractCegarLoop]: Abstraction has 2668 states and 3647 transitions. [2021-11-19 13:32:18,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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) [2021-11-19 13:32:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3647 transitions. [2021-11-19 13:32:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-19 13:32:18,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:18,847 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:18,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:19,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:19,075 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:19,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:19,076 INFO L85 PathProgramCache]: Analyzing trace with hash -383322587, now seen corresponding path program 1 times [2021-11-19 13:32:19,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:19,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300154094] [2021-11-19 13:32:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:19,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:19,081 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:19,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 13:32:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:22,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:22,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:22,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:23,146 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:23,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300154094] [2021-11-19 13:32:23,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300154094] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:23,146 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:23,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:23,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942629747] [2021-11-19 13:32:23,147 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:23,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:23,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:23,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:23,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:23,149 INFO L87 Difference]: Start difference. First operand 2668 states and 3647 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2021-11-19 13:32:23,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:23,333 INFO L93 Difference]: Finished difference Result 2668 states and 3647 transitions. [2021-11-19 13:32:23,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:23,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 [2021-11-19 13:32:23,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:23,344 INFO L225 Difference]: With dead ends: 2668 [2021-11-19 13:32:23,345 INFO L226 Difference]: Without dead ends: 2666 [2021-11-19 13:32:23,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:32:23,347 INFO L933 BasicCegarLoop]: 1929 mSDtfsCounter, 1822 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:23,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1824 Valid, 3856 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:23,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-11-19 13:32:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2666. [2021-11-19 13:32:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1902 states have (on average 1.2649842271293374) internal successors, (2406), 1940 states have internal predecessors, (2406), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3645 transitions. [2021-11-19 13:32:23,599 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3645 transitions. Word has length 127 [2021-11-19 13:32:23,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:23,599 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 3645 transitions. [2021-11-19 13:32:23,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2021-11-19 13:32:23,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3645 transitions. [2021-11-19 13:32:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-19 13:32:23,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:23,602 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:23,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:23,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:23,815 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash -552541276, now seen corresponding path program 1 times [2021-11-19 13:32:23,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:23,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365489954] [2021-11-19 13:32:23,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:23,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:23,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:23,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:23,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 13:32:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:26,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 2490 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:26,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:27,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:28,112 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:28,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365489954] [2021-11-19 13:32:28,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365489954] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:28,113 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:28,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:28,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286761757] [2021-11-19 13:32:28,113 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:28,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:28,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:28,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:28,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:28,115 INFO L87 Difference]: Start difference. First operand 2666 states and 3645 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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) [2021-11-19 13:32:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:28,405 INFO L93 Difference]: Finished difference Result 2666 states and 3645 transitions. [2021-11-19 13:32:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:28,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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 [2021-11-19 13:32:28,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:28,414 INFO L225 Difference]: With dead ends: 2666 [2021-11-19 13:32:28,414 INFO L226 Difference]: Without dead ends: 2664 [2021-11-19 13:32:28,416 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 [2021-11-19 13:32:28,416 INFO L933 BasicCegarLoop]: 1927 mSDtfsCounter, 1811 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:28,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1813 Valid, 5777 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:28,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2021-11-19 13:32:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2664. [2021-11-19 13:32:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 1901 states have (on average 1.2645975802209364) internal successors, (2404), 1938 states have internal predecessors, (2404), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3643 transitions. [2021-11-19 13:32:28,725 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3643 transitions. Word has length 133 [2021-11-19 13:32:28,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:28,726 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 3643 transitions. [2021-11-19 13:32:28,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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) [2021-11-19 13:32:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3643 transitions. [2021-11-19 13:32:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-19 13:32:28,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:28,729 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:28,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:28,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:28,943 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:28,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1466430407, now seen corresponding path program 1 times [2021-11-19 13:32:28,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:28,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841165256] [2021-11-19 13:32:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:28,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:28,949 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:28,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 13:32:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:32,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:32,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:32,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:33,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:33,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841165256] [2021-11-19 13:32:33,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841165256] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:33,272 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:33,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:33,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378914950] [2021-11-19 13:32:33,272 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:33,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:33,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:33,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:33,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:33,274 INFO L87 Difference]: Start difference. First operand 2664 states and 3643 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 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) [2021-11-19 13:32:33,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:33,468 INFO L93 Difference]: Finished difference Result 2664 states and 3643 transitions. [2021-11-19 13:32:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:33,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 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 [2021-11-19 13:32:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:33,478 INFO L225 Difference]: With dead ends: 2664 [2021-11-19 13:32:33,478 INFO L226 Difference]: Without dead ends: 2662 [2021-11-19 13:32:33,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:32:33,480 INFO L933 BasicCegarLoop]: 1925 mSDtfsCounter, 1806 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 3848 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:33,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1808 Valid, 3848 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:33,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2021-11-19 13:32:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2021-11-19 13:32:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 1900 states have (on average 1.2642105263157895) internal successors, (2402), 1936 states have internal predecessors, (2402), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3641 transitions. [2021-11-19 13:32:33,760 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3641 transitions. Word has length 139 [2021-11-19 13:32:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:33,762 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 3641 transitions. [2021-11-19 13:32:33,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 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) [2021-11-19 13:32:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3641 transitions. [2021-11-19 13:32:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-19 13:32:33,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:33,765 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:33,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:33,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:33,983 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1957776529, now seen corresponding path program 1 times [2021-11-19 13:32:33,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:33,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104998083] [2021-11-19 13:32:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:33,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:33,989 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:34,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 13:32:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:37,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2508 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:37,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:37,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:38,273 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:38,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104998083] [2021-11-19 13:32:38,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104998083] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:38,274 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:38,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:32:38,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971844907] [2021-11-19 13:32:38,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:38,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:38,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:38,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:38,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:32:38,277 INFO L87 Difference]: Start difference. First operand 2662 states and 3641 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2021-11-19 13:32:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:38,460 INFO L93 Difference]: Finished difference Result 2662 states and 3641 transitions. [2021-11-19 13:32:38,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:38,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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 [2021-11-19 13:32:38,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:38,471 INFO L225 Difference]: With dead ends: 2662 [2021-11-19 13:32:38,471 INFO L226 Difference]: Without dead ends: 2660 [2021-11-19 13:32:38,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:32:38,474 INFO L933 BasicCegarLoop]: 1923 mSDtfsCounter, 1795 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 5765 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:38,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1797 Valid, 5765 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:38,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2021-11-19 13:32:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2660. [2021-11-19 13:32:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1899 states have (on average 1.263823064770932) internal successors, (2400), 1934 states have internal predecessors, (2400), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3639 transitions. [2021-11-19 13:32:38,816 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3639 transitions. Word has length 145 [2021-11-19 13:32:38,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:38,817 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 3639 transitions. [2021-11-19 13:32:38,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 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) [2021-11-19 13:32:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3639 transitions. [2021-11-19 13:32:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-19 13:32:38,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:38,820 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 13:32:38,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:39,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:39,043 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash -237274290, now seen corresponding path program 1 times [2021-11-19 13:32:39,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:39,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123700343] [2021-11-19 13:32:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:39,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:39,048 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:39,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 13:32:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:42,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:42,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:42,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:32:43,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:43,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123700343] [2021-11-19 13:32:43,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123700343] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:43,640 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:43,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-19 13:32:43,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002798376] [2021-11-19 13:32:43,641 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:43,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:32:43,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:43,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:32:43,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:32:43,643 INFO L87 Difference]: Start difference. First operand 2660 states and 3639 transitions. Second operand has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 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) [2021-11-19 13:32:43,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:43,901 INFO L93 Difference]: Finished difference Result 2660 states and 3639 transitions. [2021-11-19 13:32:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:32:43,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 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 [2021-11-19 13:32:43,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:43,913 INFO L225 Difference]: With dead ends: 2660 [2021-11-19 13:32:43,913 INFO L226 Difference]: Without dead ends: 2658 [2021-11-19 13:32:43,915 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 [2021-11-19 13:32:43,916 INFO L933 BasicCegarLoop]: 1921 mSDtfsCounter, 1855 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:43,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1857 Valid, 5759 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:32:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2021-11-19 13:32:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2658. [2021-11-19 13:32:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 1898 states have (on average 1.2634351949420441) internal successors, (2398), 1932 states have internal predecessors, (2398), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-11-19 13:32:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 3637 transitions. [2021-11-19 13:32:44,243 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 3637 transitions. Word has length 151 [2021-11-19 13:32:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:44,244 INFO L470 AbstractCegarLoop]: Abstraction has 2658 states and 3637 transitions. [2021-11-19 13:32:44,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 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) [2021-11-19 13:32:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3637 transitions. [2021-11-19 13:32:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-19 13:32:44,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:44,247 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 13:32:44,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:44,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:44,467 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:32:44,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:44,468 INFO L85 PathProgramCache]: Analyzing trace with hash -622501606, now seen corresponding path program 1 times [2021-11-19 13:32:44,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:44,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608043293] [2021-11-19 13:32:44,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:44,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:44,473 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:44,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 13:32:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:48,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2754 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 13:32:48,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-19 13:32:49,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 13:32:50,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:50,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608043293] [2021-11-19 13:32:50,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608043293] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:50,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:50,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 25 [2021-11-19 13:32:50,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129344483] [2021-11-19 13:32:50,431 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:50,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-19 13:32:50,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:50,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-19 13:32:50,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-11-19 13:32:50,432 INFO L87 Difference]: Start difference. First operand 2658 states and 3637 transitions. Second operand has 25 states, 23 states have (on average 4.217391304347826) internal successors, (97), 23 states have internal predecessors, (97), 10 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2021-11-19 13:32:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:59,344 INFO L93 Difference]: Finished difference Result 8531 states and 12058 transitions. [2021-11-19 13:32:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-19 13:32:59,345 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 4.217391304347826) internal successors, (97), 23 states have internal predecessors, (97), 10 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) Word has length 180 [2021-11-19 13:32:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:59,372 INFO L225 Difference]: With dead ends: 8531 [2021-11-19 13:32:59,372 INFO L226 Difference]: Without dead ends: 5894 [2021-11-19 13:32:59,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=503, Invalid=2467, Unknown=0, NotChecked=0, Total=2970 [2021-11-19 13:32:59,389 INFO L933 BasicCegarLoop]: 3067 mSDtfsCounter, 7572 mSDsluCounter, 46234 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 2526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7720 SdHoareTripleChecker+Valid, 49301 SdHoareTripleChecker+Invalid, 4402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2526 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:59,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7720 Valid, 49301 Invalid, 4402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2526 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-11-19 13:32:59,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5894 states. [2021-11-19 13:32:59,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5894 to 2688. [2021-11-19 13:32:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 1920 states have (on average 1.2604166666666667) internal successors, (2420), 1954 states have internal predecessors, (2420), 627 states have call successors, (627), 132 states have call predecessors, (627), 131 states have return successors, (628), 619 states have call predecessors, (628), 625 states have call successors, (628) [2021-11-19 13:32:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3675 transitions. [2021-11-19 13:32:59,952 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3675 transitions. Word has length 180 [2021-11-19 13:32:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:59,953 INFO L470 AbstractCegarLoop]: Abstraction has 2688 states and 3675 transitions. [2021-11-19 13:32:59,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 4.217391304347826) internal successors, (97), 23 states have internal predecessors, (97), 10 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2021-11-19 13:32:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3675 transitions. [2021-11-19 13:32:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-19 13:32:59,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:59,956 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1] [2021-11-19 13:33:00,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:00,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:00,180 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:00,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:00,180 INFO L85 PathProgramCache]: Analyzing trace with hash -838327665, now seen corresponding path program 1 times [2021-11-19 13:33:00,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:00,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952643330] [2021-11-19 13:33:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:00,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:00,185 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:00,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-19 13:33:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:03,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2526 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:03,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:04,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:04,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:04,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952643330] [2021-11-19 13:33:04,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952643330] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:04,476 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:04,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:04,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531271666] [2021-11-19 13:33:04,476 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:04,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:04,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:04,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:04,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:04,478 INFO L87 Difference]: Start difference. First operand 2688 states and 3675 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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) [2021-11-19 13:33:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:04,808 INFO L93 Difference]: Finished difference Result 2688 states and 3675 transitions. [2021-11-19 13:33:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:04,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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 [2021-11-19 13:33:04,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:04,818 INFO L225 Difference]: With dead ends: 2688 [2021-11-19 13:33:04,818 INFO L226 Difference]: Without dead ends: 2686 [2021-11-19 13:33:04,820 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 [2021-11-19 13:33:04,821 INFO L933 BasicCegarLoop]: 1919 mSDtfsCounter, 1779 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 5753 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:04,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1781 Valid, 5753 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2021-11-19 13:33:05,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2686. [2021-11-19 13:33:05,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 1919 states have (on average 1.2600312662845232) internal successors, (2418), 1952 states have internal predecessors, (2418), 627 states have call successors, (627), 132 states have call predecessors, (627), 131 states have return successors, (628), 619 states have call predecessors, (628), 625 states have call successors, (628) [2021-11-19 13:33:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3673 transitions. [2021-11-19 13:33:05,265 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3673 transitions. Word has length 157 [2021-11-19 13:33:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:05,265 INFO L470 AbstractCegarLoop]: Abstraction has 2686 states and 3673 transitions. [2021-11-19 13:33:05,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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) [2021-11-19 13:33:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3673 transitions. [2021-11-19 13:33:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-19 13:33:05,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:05,268 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:05,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:05,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:05,484 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:05,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:05,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1391735345, now seen corresponding path program 1 times [2021-11-19 13:33:05,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:05,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137061658] [2021-11-19 13:33:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:05,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:05,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:05,487 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:05,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 13:33:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:08,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:08,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:09,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:09,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:09,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137061658] [2021-11-19 13:33:09,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137061658] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:09,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:09,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:09,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320907315] [2021-11-19 13:33:09,741 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:09,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:09,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:09,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:09,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:09,743 INFO L87 Difference]: Start difference. First operand 2686 states and 3673 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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) [2021-11-19 13:33:10,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:10,230 INFO L93 Difference]: Finished difference Result 2686 states and 3673 transitions. [2021-11-19 13:33:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:10,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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 [2021-11-19 13:33:10,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:10,240 INFO L225 Difference]: With dead ends: 2686 [2021-11-19 13:33:10,240 INFO L226 Difference]: Without dead ends: 2684 [2021-11-19 13:33:10,242 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 [2021-11-19 13:33:10,243 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 1774 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:10,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 3832 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2021-11-19 13:33:10,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2684. [2021-11-19 13:33:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1918 states have (on average 1.259645464025026) internal successors, (2416), 1950 states have internal predecessors, (2416), 627 states have call successors, (627), 132 states have call predecessors, (627), 131 states have return successors, (628), 619 states have call predecessors, (628), 625 states have call successors, (628) [2021-11-19 13:33:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3671 transitions. [2021-11-19 13:33:10,659 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3671 transitions. Word has length 163 [2021-11-19 13:33:10,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:10,660 INFO L470 AbstractCegarLoop]: Abstraction has 2684 states and 3671 transitions. [2021-11-19 13:33:10,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 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) [2021-11-19 13:33:10,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3671 transitions. [2021-11-19 13:33:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 13:33:10,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:10,663 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:10,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:10,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:10,880 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:10,880 INFO L85 PathProgramCache]: Analyzing trace with hash -132246816, now seen corresponding path program 1 times [2021-11-19 13:33:10,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:10,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823338142] [2021-11-19 13:33:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:10,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:10,884 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:10,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 13:33:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:13,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:13,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:14,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:15,177 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:15,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823338142] [2021-11-19 13:33:15,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823338142] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:15,177 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:15,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:15,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040002705] [2021-11-19 13:33:15,177 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:15,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:15,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:15,179 INFO L87 Difference]: Start difference. First operand 2684 states and 3671 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 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) [2021-11-19 13:33:15,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:15,498 INFO L93 Difference]: Finished difference Result 2684 states and 3671 transitions. [2021-11-19 13:33:15,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:15,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 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 [2021-11-19 13:33:15,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:15,507 INFO L225 Difference]: With dead ends: 2684 [2021-11-19 13:33:15,507 INFO L226 Difference]: Without dead ends: 2682 [2021-11-19 13:33:15,509 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 [2021-11-19 13:33:15,509 INFO L933 BasicCegarLoop]: 1915 mSDtfsCounter, 1766 mSDsluCounter, 1913 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:15,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1768 Valid, 3828 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2021-11-19 13:33:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2021-11-19 13:33:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 1917 states have (on average 1.2592592592592593) internal successors, (2414), 1948 states have internal predecessors, (2414), 627 states have call successors, (627), 132 states have call predecessors, (627), 131 states have return successors, (628), 619 states have call predecessors, (628), 625 states have call successors, (628) [2021-11-19 13:33:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 3669 transitions. [2021-11-19 13:33:15,933 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 3669 transitions. Word has length 169 [2021-11-19 13:33:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:15,934 INFO L470 AbstractCegarLoop]: Abstraction has 2682 states and 3669 transitions. [2021-11-19 13:33:15,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 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) [2021-11-19 13:33:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3669 transitions. [2021-11-19 13:33:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 13:33:15,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:15,937 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:16,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:16,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:16,160 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash -652211618, now seen corresponding path program 1 times [2021-11-19 13:33:16,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:16,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277040037] [2021-11-19 13:33:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:16,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:16,165 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:16,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-19 13:33:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:19,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:19,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:20,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:20,524 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:20,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277040037] [2021-11-19 13:33:20,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277040037] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:20,524 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:20,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:20,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574773623] [2021-11-19 13:33:20,524 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:20,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:20,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:20,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:20,526 INFO L87 Difference]: Start difference. First operand 2682 states and 3669 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2021-11-19 13:33:20,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:20,845 INFO L93 Difference]: Finished difference Result 2682 states and 3669 transitions. [2021-11-19 13:33:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:20,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 [2021-11-19 13:33:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:20,852 INFO L225 Difference]: With dead ends: 2682 [2021-11-19 13:33:20,852 INFO L226 Difference]: Without dead ends: 2680 [2021-11-19 13:33:20,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:33:20,853 INFO L933 BasicCegarLoop]: 1913 mSDtfsCounter, 1758 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 3824 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:20,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1760 Valid, 3824 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2021-11-19 13:33:21,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2680. [2021-11-19 13:33:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 1916 states have (on average 1.2588726513569937) internal successors, (2412), 1946 states have internal predecessors, (2412), 627 states have call successors, (627), 132 states have call predecessors, (627), 131 states have return successors, (628), 619 states have call predecessors, (628), 625 states have call successors, (628) [2021-11-19 13:33:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 3667 transitions. [2021-11-19 13:33:21,366 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 3667 transitions. Word has length 175 [2021-11-19 13:33:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:21,367 INFO L470 AbstractCegarLoop]: Abstraction has 2680 states and 3667 transitions. [2021-11-19 13:33:21,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2021-11-19 13:33:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3667 transitions. [2021-11-19 13:33:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-19 13:33:21,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:21,370 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:21,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:21,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:21,583 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:21,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:21,584 INFO L85 PathProgramCache]: Analyzing trace with hash 219052384, now seen corresponding path program 1 times [2021-11-19 13:33:21,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:21,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626760976] [2021-11-19 13:33:21,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:21,586 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:21,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:21,587 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:21,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-19 13:33:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:25,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 2823 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 13:33:25,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-11-19 13:33:26,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-19 13:33:26,923 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:26,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626760976] [2021-11-19 13:33:26,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626760976] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:26,924 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:26,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 13:33:26,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382131443] [2021-11-19 13:33:26,924 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:26,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:33:26,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:33:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:33:26,926 INFO L87 Difference]: Start difference. First operand 2680 states and 3667 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 13:33:30,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:33:32,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:33:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:33,093 INFO L93 Difference]: Finished difference Result 5821 states and 8037 transitions. [2021-11-19 13:33:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:33:33,094 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 205 [2021-11-19 13:33:33,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:33,105 INFO L225 Difference]: With dead ends: 5821 [2021-11-19 13:33:33,105 INFO L226 Difference]: Without dead ends: 3166 [2021-11-19 13:33:33,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:33:33,117 INFO L933 BasicCegarLoop]: 2182 mSDtfsCounter, 177 mSDsluCounter, 14784 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 111 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 16966 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:33,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 16966 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 158 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2021-11-19 13:33:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2021-11-19 13:33:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 2690. [2021-11-19 13:33:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1924 states have (on average 1.2577962577962578) internal successors, (2420), 1954 states have internal predecessors, (2420), 627 states have call successors, (627), 132 states have call predecessors, (627), 133 states have return successors, (638), 621 states have call predecessors, (638), 625 states have call successors, (638) [2021-11-19 13:33:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3685 transitions. [2021-11-19 13:33:33,684 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3685 transitions. Word has length 205 [2021-11-19 13:33:33,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:33,684 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3685 transitions. [2021-11-19 13:33:33,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 8 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 13:33:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3685 transitions. [2021-11-19 13:33:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-19 13:33:33,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:33,687 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:33,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:33,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:33,912 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:33,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1070617638, now seen corresponding path program 1 times [2021-11-19 13:33:33,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:33,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760191600] [2021-11-19 13:33:33,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:33,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:33,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:33,918 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:33,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-19 13:33:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:36,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 2562 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:36,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:37,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:38,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:38,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760191600] [2021-11-19 13:33:38,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760191600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:38,412 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:38,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:38,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527437496] [2021-11-19 13:33:38,413 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:38,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:38,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:38,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:38,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:38,414 INFO L87 Difference]: Start difference. First operand 2690 states and 3685 transitions. Second operand has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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) [2021-11-19 13:33:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:38,802 INFO L93 Difference]: Finished difference Result 2690 states and 3685 transitions. [2021-11-19 13:33:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:38,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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 [2021-11-19 13:33:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:38,809 INFO L225 Difference]: With dead ends: 2690 [2021-11-19 13:33:38,809 INFO L226 Difference]: Without dead ends: 2688 [2021-11-19 13:33:38,810 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 [2021-11-19 13:33:38,811 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 1750 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 3820 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:38,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1752 Valid, 3820 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2021-11-19 13:33:39,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2688. [2021-11-19 13:33:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 1923 states have (on average 1.2574102964118565) internal successors, (2418), 1952 states have internal predecessors, (2418), 627 states have call successors, (627), 132 states have call predecessors, (627), 133 states have return successors, (638), 621 states have call predecessors, (638), 625 states have call successors, (638) [2021-11-19 13:33:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3683 transitions. [2021-11-19 13:33:39,255 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3683 transitions. Word has length 181 [2021-11-19 13:33:39,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:39,256 INFO L470 AbstractCegarLoop]: Abstraction has 2688 states and 3683 transitions. [2021-11-19 13:33:39,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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) [2021-11-19 13:33:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3683 transitions. [2021-11-19 13:33:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-19 13:33:39,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:39,259 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:39,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:39,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:39,472 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:39,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:39,472 INFO L85 PathProgramCache]: Analyzing trace with hash 19583725, now seen corresponding path program 1 times [2021-11-19 13:33:39,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:39,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801218574] [2021-11-19 13:33:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:39,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:39,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:39,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:39,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-19 13:33:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:42,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:42,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:43,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:44,063 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:44,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801218574] [2021-11-19 13:33:44,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801218574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:44,063 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:44,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:33:44,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361834544] [2021-11-19 13:33:44,064 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:44,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:44,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:44,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:33:44,066 INFO L87 Difference]: Start difference. First operand 2688 states and 3683 transitions. Second operand has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 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) [2021-11-19 13:33:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:44,412 INFO L93 Difference]: Finished difference Result 2688 states and 3683 transitions. [2021-11-19 13:33:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:33:44,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 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 [2021-11-19 13:33:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:44,419 INFO L225 Difference]: With dead ends: 2688 [2021-11-19 13:33:44,419 INFO L226 Difference]: Without dead ends: 2509 [2021-11-19 13:33:44,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:33:44,422 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 1738 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 3820 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:44,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1738 Valid, 3820 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:33:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2021-11-19 13:33:44,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2509. [2021-11-19 13:33:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 1815 states have (on average 1.2699724517906337) internal successors, (2305), 1841 states have internal predecessors, (2305), 577 states have call successors, (577), 112 states have call predecessors, (577), 113 states have return successors, (588), 573 states have call predecessors, (588), 575 states have call successors, (588) [2021-11-19 13:33:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3470 transitions. [2021-11-19 13:33:44,732 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3470 transitions. Word has length 187 [2021-11-19 13:33:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:44,732 INFO L470 AbstractCegarLoop]: Abstraction has 2509 states and 3470 transitions. [2021-11-19 13:33:44,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.2) internal successors, (211), 5 states have internal predecessors, (211), 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) [2021-11-19 13:33:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3470 transitions. [2021-11-19 13:33:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-19 13:33:44,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:44,734 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:44,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-19 13:33:44,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:44,936 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:44,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1999672002, now seen corresponding path program 1 times [2021-11-19 13:33:44,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:44,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816243110] [2021-11-19 13:33:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:44,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:44,950 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:44,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-19 13:33:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:49,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 13:33:49,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-19 13:33:50,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-11-19 13:33:51,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:51,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816243110] [2021-11-19 13:33:51,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1816243110] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:51,599 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:51,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 27 [2021-11-19 13:33:51,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749849268] [2021-11-19 13:33:51,600 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:51,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-19 13:33:51,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:51,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-19 13:33:51,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:33:51,602 INFO L87 Difference]: Start difference. First operand 2509 states and 3470 transitions. Second operand has 27 states, 25 states have (on average 4.6) internal successors, (115), 25 states have internal predecessors, (115), 12 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 12 states have call predecessors, (40), 12 states have call successors, (40) [2021-11-19 13:33:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:58,309 INFO L93 Difference]: Finished difference Result 7082 states and 9988 transitions. [2021-11-19 13:33:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-19 13:33:58,315 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.6) internal successors, (115), 25 states have internal predecessors, (115), 12 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 12 states have call predecessors, (40), 12 states have call successors, (40) Word has length 221 [2021-11-19 13:33:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:58,331 INFO L225 Difference]: With dead ends: 7082 [2021-11-19 13:33:58,332 INFO L226 Difference]: Without dead ends: 4594 [2021-11-19 13:33:58,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=488, Invalid=2374, Unknown=0, NotChecked=0, Total=2862 [2021-11-19 13:33:58,344 INFO L933 BasicCegarLoop]: 2573 mSDtfsCounter, 4561 mSDsluCounter, 43344 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 45917 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:58,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4671 Valid, 45917 Invalid, 2132 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1063 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 13:33:58,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-11-19 13:33:58,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 2509. [2021-11-19 13:33:58,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 1815 states have (on average 1.2699724517906337) internal successors, (2305), 1841 states have internal predecessors, (2305), 577 states have call successors, (577), 112 states have call predecessors, (577), 113 states have return successors, (588), 573 states have call predecessors, (588), 575 states have call successors, (588) [2021-11-19 13:33:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3470 transitions. [2021-11-19 13:33:58,734 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3470 transitions. Word has length 221 [2021-11-19 13:33:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:58,735 INFO L470 AbstractCegarLoop]: Abstraction has 2509 states and 3470 transitions. [2021-11-19 13:33:58,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.6) internal successors, (115), 25 states have internal predecessors, (115), 12 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 12 states have call predecessors, (40), 12 states have call successors, (40) [2021-11-19 13:33:58,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3470 transitions. [2021-11-19 13:33:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-19 13:33:58,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:58,740 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:58,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:58,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:58,956 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:33:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:58,956 INFO L85 PathProgramCache]: Analyzing trace with hash 756675740, now seen corresponding path program 1 times [2021-11-19 13:33:58,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:58,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605560036] [2021-11-19 13:33:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:58,961 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:58,962 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:59,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-19 13:34:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:04,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 13:34:04,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-11-19 13:34:05,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-11-19 13:34:06,940 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:06,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605560036] [2021-11-19 13:34:06,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605560036] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:06,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:06,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-19 13:34:06,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424842613] [2021-11-19 13:34:06,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:06,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:34:06,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:06,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:34:06,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:34:06,943 INFO L87 Difference]: Start difference. First operand 2509 states and 3470 transitions. Second operand has 10 states, 10 states have (on average 17.7) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (66), 4 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-19 13:34:09,165 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 [] [2021-11-19 13:34:09,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:09,600 INFO L93 Difference]: Finished difference Result 5130 states and 7096 transitions. [2021-11-19 13:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:09,604 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (66), 4 states have call predecessors, (66), 2 states have call successors, (66) Word has length 437 [2021-11-19 13:34:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:09,614 INFO L225 Difference]: With dead ends: 5130 [2021-11-19 13:34:09,614 INFO L226 Difference]: Without dead ends: 2644 [2021-11-19 13:34:09,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:34:09,624 INFO L933 BasicCegarLoop]: 1858 mSDtfsCounter, 65 mSDsluCounter, 9111 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 10969 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:09,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 10969 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 13:34:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2021-11-19 13:34:10,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2515. [2021-11-19 13:34:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 1821 states have (on average 1.2690829214717188) internal successors, (2311), 1845 states have internal predecessors, (2311), 577 states have call successors, (577), 112 states have call predecessors, (577), 113 states have return successors, (588), 575 states have call predecessors, (588), 575 states have call successors, (588) [2021-11-19 13:34:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3476 transitions. [2021-11-19 13:34:10,040 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3476 transitions. Word has length 437 [2021-11-19 13:34:10,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:10,041 INFO L470 AbstractCegarLoop]: Abstraction has 2515 states and 3476 transitions. [2021-11-19 13:34:10,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (66), 4 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-19 13:34:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3476 transitions. [2021-11-19 13:34:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-19 13:34:10,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:10,045 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:10,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-11-19 13:34:10,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:10,248 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:34:10,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:10,248 INFO L85 PathProgramCache]: Analyzing trace with hash 783657210, now seen corresponding path program 1 times [2021-11-19 13:34:10,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:10,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989896599] [2021-11-19 13:34:10,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:10,251 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:10,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:10,252 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:10,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-19 13:34:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:18,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 13:34:18,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:20,039 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-11-19 13:34:20,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 22 [2021-11-19 13:34:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-19 13:34:20,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-19 13:34:22,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:22,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989896599] [2021-11-19 13:34:22,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989896599] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:34:22,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:34:22,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 16 [2021-11-19 13:34:22,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917133612] [2021-11-19 13:34:22,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:22,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:34:22,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:22,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:34:22,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:34:22,632 INFO L87 Difference]: Start difference. First operand 2515 states and 3476 transitions. Second operand has 10 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 4 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 13:34:24,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:26,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:28,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:30,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:34,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:36,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:38,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:40,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:45,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:47,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:49,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:52,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:54,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:56,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:34:58,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:01,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:03,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:05,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:07,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:12,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:14,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:16,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:18,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:21,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:23,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:27,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:28,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:30,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:31,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:39,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:41,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:43,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:45,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:49,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:35:50,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:36:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:03,781 INFO L93 Difference]: Finished difference Result 5958 states and 8311 transitions. [2021-11-19 13:36:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:36:03,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 4 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 453 [2021-11-19 13:36:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:03,794 INFO L225 Difference]: With dead ends: 5958 [2021-11-19 13:36:03,794 INFO L226 Difference]: Without dead ends: 3466 [2021-11-19 13:36:03,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 908 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:36:03,803 INFO L933 BasicCegarLoop]: 1910 mSDtfsCounter, 468 mSDsluCounter, 14127 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 6 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 16037 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 99.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:03,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 16037 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1064 Invalid, 25 Unknown, 28 Unchecked, 99.8s Time] [2021-11-19 13:36:03,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3466 states. [2021-11-19 13:36:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3466 to 2523. [2021-11-19 13:36:04,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1827 states have (on average 1.2681992337164751) internal successors, (2317), 1851 states have internal predecessors, (2317), 579 states have call successors, (579), 112 states have call predecessors, (579), 113 states have return successors, (590), 577 states have call predecessors, (590), 577 states have call successors, (590) [2021-11-19 13:36:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3486 transitions. [2021-11-19 13:36:04,203 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3486 transitions. Word has length 453 [2021-11-19 13:36:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:04,204 INFO L470 AbstractCegarLoop]: Abstraction has 2523 states and 3486 transitions. [2021-11-19 13:36:04,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 4 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 13:36:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3486 transitions. [2021-11-19 13:36:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-19 13:36:04,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:04,207 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:04,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:04,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:04,408 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:36:04,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:04,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1206359036, now seen corresponding path program 1 times [2021-11-19 13:36:04,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:04,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144388810] [2021-11-19 13:36:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:04,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:04,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:04,412 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:04,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-19 13:36:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:36:12,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-19 13:36:13,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-19 13:36:14,807 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:14,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144388810] [2021-11-19 13:36:14,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144388810] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:14,808 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:14,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 13:36:14,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964695358] [2021-11-19 13:36:14,808 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:14,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:36:14,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:36:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:36:14,810 INFO L87 Difference]: Start difference. First operand 2523 states and 3486 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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) [2021-11-19 13:36:15,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:15,817 INFO L93 Difference]: Finished difference Result 5924 states and 8255 transitions. [2021-11-19 13:36:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 13:36:15,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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 453 [2021-11-19 13:36:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:15,825 INFO L225 Difference]: With dead ends: 5924 [2021-11-19 13:36:15,825 INFO L226 Difference]: Without dead ends: 3424 [2021-11-19 13:36:15,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 901 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:36:15,833 INFO L933 BasicCegarLoop]: 2363 mSDtfsCounter, 872 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:15,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [980 Valid, 6573 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:36:15,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3424 states. [2021-11-19 13:36:16,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3424 to 2529. [2021-11-19 13:36:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 1833 states have (on average 1.2673213311511184) internal successors, (2323), 1857 states have internal predecessors, (2323), 579 states have call successors, (579), 112 states have call predecessors, (579), 113 states have return successors, (590), 577 states have call predecessors, (590), 577 states have call successors, (590) [2021-11-19 13:36:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3492 transitions. [2021-11-19 13:36:16,360 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3492 transitions. Word has length 453 [2021-11-19 13:36:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:16,361 INFO L470 AbstractCegarLoop]: Abstraction has 2529 states and 3492 transitions. [2021-11-19 13:36:16,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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) [2021-11-19 13:36:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3492 transitions. [2021-11-19 13:36:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-19 13:36:16,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:16,366 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:16,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:16,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:16,580 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:36:16,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:16,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1769264700, now seen corresponding path program 1 times [2021-11-19 13:36:16,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:16,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053908321] [2021-11-19 13:36:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:16,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:16,585 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:16,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-19 13:36:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:25,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 3678 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 13:36:25,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-11-19 13:36:26,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2021-11-19 13:36:27,311 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:27,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053908321] [2021-11-19 13:36:27,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053908321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:27,312 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:27,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:36:27,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746811428] [2021-11-19 13:36:27,313 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:27,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:36:27,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:27,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:36:27,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:36:27,315 INFO L87 Difference]: Start difference. First operand 2529 states and 3492 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 13:36:29,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:29,214 INFO L93 Difference]: Finished difference Result 6139 states and 8677 transitions. [2021-11-19 13:36:29,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:29,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) Word has length 468 [2021-11-19 13:36:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:29,226 INFO L225 Difference]: With dead ends: 6139 [2021-11-19 13:36:29,226 INFO L226 Difference]: Without dead ends: 4859 [2021-11-19 13:36:29,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:36:29,231 INFO L933 BasicCegarLoop]: 2241 mSDtfsCounter, 1159 mSDsluCounter, 8633 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 10874 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:29,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1431 Valid, 10874 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:36:29,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2021-11-19 13:36:29,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 2533. [2021-11-19 13:36:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 1837 states have (on average 1.266739248775177) internal successors, (2327), 1859 states have internal predecessors, (2327), 579 states have call successors, (579), 112 states have call predecessors, (579), 113 states have return successors, (590), 579 states have call predecessors, (590), 577 states have call successors, (590) [2021-11-19 13:36:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3496 transitions. [2021-11-19 13:36:29,686 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3496 transitions. Word has length 468 [2021-11-19 13:36:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:29,687 INFO L470 AbstractCegarLoop]: Abstraction has 2533 states and 3496 transitions. [2021-11-19 13:36:29,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 6 states have internal predecessors, (153), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 13:36:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3496 transitions. [2021-11-19 13:36:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-19 13:36:29,691 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:29,692 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:29,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:29,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:29,908 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:36:29,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:29,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1824102722, now seen corresponding path program 1 times [2021-11-19 13:36:29,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:29,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733832246] [2021-11-19 13:36:29,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:29,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:29,912 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:29,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-19 13:36:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:39,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 3677 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:36:39,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-11-19 13:36:39,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-11-19 13:36:40,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:40,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733832246] [2021-11-19 13:36:40,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733832246] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:36:40,756 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:36:40,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:36:40,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998821292] [2021-11-19 13:36:40,756 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:40,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:36:40,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:40,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:36:40,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:36:40,758 INFO L87 Difference]: Start difference. First operand 2533 states and 3496 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 13:36:42,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:36:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:47,102 INFO L93 Difference]: Finished difference Result 10055 states and 13879 transitions. [2021-11-19 13:36:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:36:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 468 [2021-11-19 13:36:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:47,128 INFO L225 Difference]: With dead ends: 10055 [2021-11-19 13:36:47,129 INFO L226 Difference]: Without dead ends: 7545 [2021-11-19 13:36:47,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:36:47,139 INFO L933 BasicCegarLoop]: 2693 mSDtfsCounter, 3439 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 6318 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:47,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3439 Valid, 6318 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 581 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-19 13:36:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7545 states. [2021-11-19 13:36:48,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7545 to 5013. [2021-11-19 13:36:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5013 states, 3637 states have (on average 1.2675281825680507) internal successors, (4610), 3679 states have internal predecessors, (4610), 1146 states have call successors, (1146), 223 states have call predecessors, (1146), 226 states have return successors, (1170), 1146 states have call predecessors, (1170), 1144 states have call successors, (1170) [2021-11-19 13:36:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 5013 states and 6926 transitions. [2021-11-19 13:36:48,086 INFO L78 Accepts]: Start accepts. Automaton has 5013 states and 6926 transitions. Word has length 468 [2021-11-19 13:36:48,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:48,087 INFO L470 AbstractCegarLoop]: Abstraction has 5013 states and 6926 transitions. [2021-11-19 13:36:48,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 13:36:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5013 states and 6926 transitions. [2021-11-19 13:36:48,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-19 13:36:48,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:48,092 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:48,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:48,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:48,304 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:36:48,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1988200797, now seen corresponding path program 1 times [2021-11-19 13:36:48,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:48,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218107121] [2021-11-19 13:36:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:48,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:48,308 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:48,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-19 13:38:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:24,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 3703 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-19 13:38:24,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:25,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 13:38:25,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 13:38:26,737 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 13:38:26,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 40 [2021-11-19 13:38:26,783 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-19 13:38:26,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-11-19 13:38:27,056 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 13:38:27,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 35 [2021-11-19 13:38:27,081 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-19 13:38:27,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-11-19 13:38:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2021-11-19 13:38:27,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:29,474 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_s3_pci_probe_~info~0#1.base| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse0 (bvadd |c_ULTIMATE.start_s3_pci_probe_~info~0#1.offset| (_ bv572 64))) (.cse1 (bvadd (_ bv284 64) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.offset|))) (bvadd (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_s3_pci_probe_~info~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_s3_pci_probe_~info~0#1.base|) .cse0 (_ bv0 64))) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse1) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_s3_pci_probe_~info~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_s3_pci_probe_~info~0#1.base|) .cse0 (_ bv0 64))) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse1))))) is different from false [2021-11-19 13:38:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2021-11-19 13:38:31,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:31,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218107121] [2021-11-19 13:38:31,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218107121] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:38:31,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:38:31,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 24 [2021-11-19 13:38:31,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216867564] [2021-11-19 13:38:31,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:31,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:38:31,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:31,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:38:31,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=448, Unknown=1, NotChecked=42, Total=552 [2021-11-19 13:38:31,716 INFO L87 Difference]: Start difference. First operand 5013 states and 6926 transitions. Second operand has 10 states, 10 states have (on average 14.5) internal successors, (145), 9 states have internal predecessors, (145), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 13:38:33,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:35,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:38,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:40,539 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 [] [2021-11-19 13:38:43,083 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvadd |c_ULTIMATE.start_ioremap_#res#1.offset| |c_ULTIMATE.start_ioremap_#res#1.base|) (_ bv0 64)) (= (_ bv0 64) (let ((.cse0 (bvadd (_ bv284 64) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.offset|))) (bvadd (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse0) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse0)))) (= (_ bv0 64) (bvadd |c_ULTIMATE.start_ldv_linux_arch_io_io_mem_remap_#res#1.base| |c_ULTIMATE.start_ldv_linux_arch_io_io_mem_remap_#res#1.offset|)) (= (_ bv0 64) (bvadd |c_ULTIMATE.start_ldv_linux_arch_io_io_mem_remap_~ptr~0#1.base| |c_ULTIMATE.start_ldv_linux_arch_io_io_mem_remap_~ptr~0#1.offset|)) (forall ((|ULTIMATE.start_s3_pci_probe_~info~0#1.base| (_ BitVec 64))) (= (_ bv0 64) (let ((.cse1 (bvadd |c_ULTIMATE.start_s3_pci_probe_~info~0#1.offset| (_ bv572 64))) (.cse2 (bvadd (_ bv284 64) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.offset|))) (bvadd (select (select (store |c_#memory_$Pointer$.base| |ULTIMATE.start_s3_pci_probe_~info~0#1.base| (store (select |c_#memory_$Pointer$.base| |ULTIMATE.start_s3_pci_probe_~info~0#1.base|) .cse1 (_ bv0 64))) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse2) (select (select (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_s3_pci_probe_~info~0#1.base| (store (select |c_#memory_$Pointer$.offset| |ULTIMATE.start_s3_pci_probe_~info~0#1.base|) .cse1 (_ bv0 64))) |c_ULTIMATE.start_s3_pci_probe_~par~13#1.base|) .cse2)))))) is different from false [2021-11-19 13:38:46,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:48,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:52,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:38:59,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:59,695 INFO L93 Difference]: Finished difference Result 6437 states and 8891 transitions. [2021-11-19 13:38:59,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 13:38:59,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 9 states have internal predecessors, (145), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 468 [2021-11-19 13:38:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:59,712 INFO L225 Difference]: With dead ends: 6437 [2021-11-19 13:38:59,712 INFO L226 Difference]: Without dead ends: 5155 [2021-11-19 13:38:59,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 938 GetRequests, 909 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=77, Invalid=579, Unknown=2, NotChecked=98, Total=756 [2021-11-19 13:38:59,718 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 42 mSDsluCounter, 13790 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 15594 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 412 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:59,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 15594 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 340 Invalid, 5 Unknown, 412 Unchecked, 24.7s Time] [2021-11-19 13:38:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2021-11-19 13:39:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 5052. [2021-11-19 13:39:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5052 states, 3670 states have (on average 1.2686648501362399) internal successors, (4656), 3714 states have internal predecessors, (4656), 1152 states have call successors, (1152), 223 states have call predecessors, (1152), 226 states have return successors, (1176), 1152 states have call predecessors, (1176), 1150 states have call successors, (1176) [2021-11-19 13:39:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 5052 states and 6984 transitions. [2021-11-19 13:39:00,676 INFO L78 Accepts]: Start accepts. Automaton has 5052 states and 6984 transitions. Word has length 468 [2021-11-19 13:39:00,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:00,676 INFO L470 AbstractCegarLoop]: Abstraction has 5052 states and 6984 transitions. [2021-11-19 13:39:00,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 9 states have internal predecessors, (145), 3 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 13:39:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5052 states and 6984 transitions. [2021-11-19 13:39:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-19 13:39:00,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:00,705 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:00,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:00,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:00,906 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:39:00,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:00,907 INFO L85 PathProgramCache]: Analyzing trace with hash 882516672, now seen corresponding path program 1 times [2021-11-19 13:39:00,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:00,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948579259] [2021-11-19 13:39:00,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:00,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:00,910 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-19 13:39:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:09,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:39:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-11-19 13:39:16,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-11-19 13:39:18,580 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:18,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948579259] [2021-11-19 13:39:18,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948579259] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:18,581 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:18,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-19 13:39:18,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505998730] [2021-11-19 13:39:18,581 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:18,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:39:18,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:18,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:39:18,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:39:18,583 INFO L87 Difference]: Start difference. First operand 5052 states and 6984 transitions. Second operand has 6 states, 6 states have (on average 46.166666666666664) internal successors, (277), 6 states have internal predecessors, (277), 6 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 6 states have call predecessors, (88), 6 states have call successors, (88) [2021-11-19 13:39:20,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:39:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:25,857 INFO L93 Difference]: Finished difference Result 10194 states and 14081 transitions. [2021-11-19 13:39:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:39:25,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.166666666666664) internal successors, (277), 6 states have internal predecessors, (277), 6 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 6 states have call predecessors, (88), 6 states have call successors, (88) Word has length 468 [2021-11-19 13:39:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:25,874 INFO L225 Difference]: With dead ends: 10194 [2021-11-19 13:39:25,874 INFO L226 Difference]: Without dead ends: 5165 [2021-11-19 13:39:25,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 934 GetRequests, 930 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:39:25,888 INFO L933 BasicCegarLoop]: 3126 mSDtfsCounter, 1670 mSDsluCounter, 8504 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 81 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 11630 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:25,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1704 Valid, 11630 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1208 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-11-19 13:39:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2021-11-19 13:39:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 5054. [2021-11-19 13:39:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5054 states, 3672 states have (on average 1.2674291938997821) internal successors, (4654), 3716 states have internal predecessors, (4654), 1152 states have call successors, (1152), 223 states have call predecessors, (1152), 226 states have return successors, (1176), 1152 states have call predecessors, (1176), 1150 states have call successors, (1176) [2021-11-19 13:39:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 5054 states and 6982 transitions. [2021-11-19 13:39:26,800 INFO L78 Accepts]: Start accepts. Automaton has 5054 states and 6982 transitions. Word has length 468 [2021-11-19 13:39:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:26,801 INFO L470 AbstractCegarLoop]: Abstraction has 5054 states and 6982 transitions. [2021-11-19 13:39:26,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.166666666666664) internal successors, (277), 6 states have internal predecessors, (277), 6 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 6 states have call predecessors, (88), 6 states have call successors, (88) [2021-11-19 13:39:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5054 states and 6982 transitions. [2021-11-19 13:39:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-19 13:39:26,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:26,805 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:26,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:27,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:27,028 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-11-19 13:39:27,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:27,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1318203970, now seen corresponding path program 1 times [2021-11-19 13:39:27,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:27,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [642818051] [2021-11-19 13:39:27,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:27,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:27,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:27,032 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:27,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777b2ae9-4fd3-4596-a43d-8f9146d3ab00/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process