./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--net--ethernet--atheros--alx--alx.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_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/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_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/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_947880d6-d218-423c-b154-a96c1450a685/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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:05,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:05,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:05,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:05,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:05,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:05,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:05,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:05,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:05,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:05,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:05,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:05,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:05,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:05,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:05,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:05,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:05,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:05,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:05,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:05,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:05,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:05,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:05,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:05,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:05,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:05,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:05,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:05,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:05,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:05,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:05,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:05,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:05,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:05,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:05,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:05,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:05,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:05,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:05,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:05,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:05,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:02:05,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:05,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:05,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:05,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:05,388 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:05,388 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:05,389 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:05,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:02:05,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:05,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:05,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:02:05,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:02:05,391 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:05,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:02:05,392 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:02:05,393 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:02:05,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:05,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:02:05,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:05,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:05,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:05,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:05,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:05,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:05,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:05,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:05,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:05,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:05,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:05,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:05,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:05,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:05,398 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:02:05,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:02:05,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:05,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:05,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:05,399 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_947880d6-d218-423c-b154-a96c1450a685/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2021-11-19 14:02:05,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:05,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:05,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:05,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:05,764 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:05,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-19 14:02:05,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/76a5704fb/9e75f06af3584d41b34b9a30dbdb033c/FLAG741ce5414 [2021-11-19 14:02:06,903 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:06,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-19 14:02:06,980 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/76a5704fb/9e75f06af3584d41b34b9a30dbdb033c/FLAG741ce5414 [2021-11-19 14:02:07,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/76a5704fb/9e75f06af3584d41b34b9a30dbdb033c [2021-11-19 14:02:07,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:07,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:07,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:07,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:07,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:07,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:07" (1/1) ... [2021-11-19 14:02:07,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33591480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:07, skipping insertion in model container [2021-11-19 14:02:07,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:07" (1/1) ... [2021-11-19 14:02:07,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:07,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:10,445 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,524 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,525 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,737 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,744 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,877 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:10,885 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:02:13,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-19 14:02:13,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-19 14:02:13,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-19 14:02:13,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-19 14:02:13,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-19 14:02:13,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-19 14:02:13,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-19 14:02:13,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-19 14:02:13,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-19 14:02:13,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-19 14:02:13,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-19 14:02:13,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-19 14:02:13,917 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-19 14:02:13,917 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-19 14:02:13,918 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-19 14:02:13,918 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-19 14:02:13,919 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-19 14:02:13,919 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-19 14:02:13,920 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-19 14:02:13,920 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-19 14:02:13,921 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-19 14:02:13,921 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-19 14:02:13,922 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-19 14:02:13,922 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-19 14:02:13,923 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-19 14:02:13,923 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-19 14:02:13,924 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-19 14:02:13,924 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_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-19 14:02:13,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-19 14:02:13,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-19 14:02:13,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-19 14:02:13,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-19 14:02:13,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-19 14:02:13,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-19 14:02:13,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-19 14:02:13,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-19 14:02:13,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-19 14:02:13,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-19 14:02:13,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-19 14:02:13,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-19 14:02:13,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-19 14:02:13,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-19 14:02:13,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-19 14:02:13,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-19 14:02:13,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-19 14:02:13,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-19 14:02:13,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-19 14:02:13,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-19 14:02:13,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-19 14:02:13,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-19 14:02:13,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-19 14:02:13,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-19 14:02:13,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-19 14:02:13,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-19 14:02:13,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-19 14:02:13,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-19 14:02:13,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-19 14:02:13,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-19 14:02:13,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-19 14:02:13,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-19 14:02:13,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-19 14:02:13,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-19 14:02:13,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-19 14:02:13,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-19 14:02:13,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-19 14:02:13,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-19 14:02:13,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-19 14:02:13,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-19 14:02:13,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-19 14:02:13,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-19 14:02:13,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-19 14:02:13,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-19 14:02:13,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-19 14:02:13,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-19 14:02:13,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-19 14:02:13,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-19 14:02:13,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-19 14:02:13,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-19 14:02:13,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-19 14:02:13,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-19 14:02:13,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-19 14:02:13,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-19 14:02:13,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-19 14:02:13,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-19 14:02:13,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-19 14:02:13,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-19 14:02:13,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-19 14:02:13,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-19 14:02:13,981 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:14,070 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 14:02:14,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@495a8e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:14, skipping insertion in model container [2021-11-19 14:02:14,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:14,071 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:02:14,074 INFO L158 Benchmark]: Toolchain (without parser) took 6887.23ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 52.1MB in the beginning and 79.9MB in the end (delta: -27.8MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-19 14:02:14,076 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:02:14,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6884.83ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 51.8MB in the beginning and 79.9MB in the end (delta: -28.1MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2021-11-19 14:02:14,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6884.83ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 51.8MB in the beginning and 79.9MB in the end (delta: -28.1MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8438]: 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_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/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_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/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_947880d6-d218-423c-b154-a96c1450a685/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 deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:16,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:16,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:16,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:16,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:16,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:16,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:16,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:16,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:16,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:16,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:16,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:16,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:16,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:16,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:16,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:16,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:16,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:16,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:16,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:16,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:16,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:16,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:16,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:16,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:16,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:16,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:16,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:16,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:16,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:16,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:16,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:16,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:16,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:16,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:16,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:16,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:16,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:16,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:16,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:16,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:16,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:02:16,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:16,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:16,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:16,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:16,578 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:16,579 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:16,579 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:16,579 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:16,579 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:16,580 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:16,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:16,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:16,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:16,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:16,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:16,582 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:16,582 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:02:16,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:02:16,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:16,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:16,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:16,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:16,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:02:16,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:16,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:16,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:16,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:16,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:16,585 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:02:16,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:02:16,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:16,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:16,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:16,586 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_947880d6-d218-423c-b154-a96c1450a685/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deb1ab2dfee1720097b2641f46d2c4bfdc556bdc54a3c09b9a590ecca720241b [2021-11-19 14:02:16,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:16,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:16,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:16,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:16,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:16,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-19 14:02:17,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/e9e8dac7f/c594719adf024735a1cb5940362dc4d7/FLAG7e80ca474 [2021-11-19 14:02:18,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:18,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-19 14:02:18,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/e9e8dac7f/c594719adf024735a1cb5940362dc4d7/FLAG7e80ca474 [2021-11-19 14:02:18,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/data/e9e8dac7f/c594719adf024735a1cb5940362dc4d7 [2021-11-19 14:02:18,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:18,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:18,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:18,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:18,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:18,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:18" (1/1) ... [2021-11-19 14:02:18,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1e3f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:18, skipping insertion in model container [2021-11-19 14:02:18,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:18" (1/1) ... [2021-11-19 14:02:18,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:18,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:25,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-19 14:02:25,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-19 14:02:25,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-19 14:02:25,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-19 14:02:25,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-19 14:02:25,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-19 14:02:25,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-19 14:02:25,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-19 14:02:25,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-19 14:02:25,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-19 14:02:25,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-19 14:02:25,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-19 14:02:25,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-19 14:02:25,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-19 14:02:25,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-19 14:02:25,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-19 14:02:25,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-19 14:02:25,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-19 14:02:25,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-19 14:02:25,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-19 14:02:25,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-19 14:02:25,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-19 14:02:25,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-19 14:02:25,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-19 14:02:25,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-19 14:02:25,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-19 14:02:25,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-19 14:02:25,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-19 14:02:25,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-19 14:02:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-19 14:02:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-19 14:02:25,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-19 14:02:25,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-19 14:02:25,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-19 14:02:25,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-19 14:02:25,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-19 14:02:25,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-19 14:02:25,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-19 14:02:25,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-19 14:02:25,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-19 14:02:25,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-19 14:02:25,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-19 14:02:25,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-19 14:02:25,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-19 14:02:25,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-19 14:02:25,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-19 14:02:25,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-19 14:02:25,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-19 14:02:25,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-19 14:02:25,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-19 14:02:25,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-19 14:02:25,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-19 14:02:25,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-19 14:02:25,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-19 14:02:25,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-19 14:02:25,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-19 14:02:25,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-19 14:02:25,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-19 14:02:25,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-19 14:02:25,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-19 14:02:25,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-19 14:02:25,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-19 14:02:25,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-19 14:02:25,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-19 14:02:25,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-19 14:02:25,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-19 14:02:25,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-19 14:02:25,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-19 14:02:25,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-19 14:02:25,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-19 14:02:25,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-19 14:02:25,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-19 14:02:25,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-19 14:02:25,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-19 14:02:25,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-19 14:02:25,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-19 14:02:25,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-19 14:02:25,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-19 14:02:25,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-19 14:02:25,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-19 14:02:25,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-19 14:02:25,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-19 14:02:25,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-19 14:02:25,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-19 14:02:25,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-19 14:02:25,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-19 14:02:25,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-19 14:02:25,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-19 14:02:25,605 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:25,686 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:02:25,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:26,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-19 14:02:26,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-19 14:02:26,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-19 14:02:26,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-19 14:02:26,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-19 14:02:26,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-19 14:02:26,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-19 14:02:26,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-19 14:02:26,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-19 14:02:26,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-19 14:02:26,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-19 14:02:26,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-19 14:02:26,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-19 14:02:26,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-19 14:02:26,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-19 14:02:26,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-19 14:02:26,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-19 14:02:26,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-19 14:02:26,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-19 14:02:26,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-19 14:02:26,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-19 14:02:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-19 14:02:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-19 14:02:26,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-19 14:02:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-19 14:02:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-19 14:02:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-19 14:02:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-19 14:02:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-19 14:02:26,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-19 14:02:26,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-19 14:02:26,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-19 14:02:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-19 14:02:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-19 14:02:26,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-19 14:02:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-19 14:02:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-19 14:02:26,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-19 14:02:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-19 14:02:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-19 14:02:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-19 14:02:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-19 14:02:26,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-19 14:02:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-19 14:02:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-19 14:02:26,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-19 14:02:26,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-19 14:02:26,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-19 14:02:26,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-19 14:02:26,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-19 14:02:26,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-19 14:02:26,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-19 14:02:26,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-19 14:02:26,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-19 14:02:26,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-19 14:02:26,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-19 14:02:26,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-19 14:02:26,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-19 14:02:26,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-19 14:02:26,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-19 14:02:26,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-19 14:02:26,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-19 14:02:26,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-19 14:02:26,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-19 14:02:26,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-19 14:02:26,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-19 14:02:26,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-19 14:02:26,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-19 14:02:26,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-19 14:02:26,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-19 14:02:26,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-19 14:02:26,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-19 14:02:26,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-19 14:02:26,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-19 14:02:26,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-19 14:02:26,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-19 14:02:26,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-19 14:02:26,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-19 14:02:26,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-19 14:02:26,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-19 14:02:26,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-19 14:02:26,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-19 14:02:26,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-19 14:02:26,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-19 14:02:26,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-19 14:02:26,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-19 14:02:26,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-19 14:02:26,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-19 14:02:26,418 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:26,489 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:02:27,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524188,524201] [2021-11-19 14:02:27,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524333,524346] [2021-11-19 14:02:27,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524479,524492] [2021-11-19 14:02:27,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524644,524657] [2021-11-19 14:02:27,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524802,524815] [2021-11-19 14:02:27,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[524960,524973] [2021-11-19 14:02:27,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525118,525131] [2021-11-19 14:02:27,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525278,525291] [2021-11-19 14:02:27,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525437,525450] [2021-11-19 14:02:27,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525576,525589] [2021-11-19 14:02:27,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525718,525731] [2021-11-19 14:02:27,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[525867,525880] [2021-11-19 14:02:27,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526006,526019] [2021-11-19 14:02:27,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526161,526174] [2021-11-19 14:02:27,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526321,526334] [2021-11-19 14:02:27,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526472,526485] [2021-11-19 14:02:27,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526623,526636] [2021-11-19 14:02:27,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526775,526788] [2021-11-19 14:02:27,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[526924,526937] [2021-11-19 14:02:27,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527072,527085] [2021-11-19 14:02:27,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527229,527242] [2021-11-19 14:02:27,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527378,527391] [2021-11-19 14:02:27,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527534,527547] [2021-11-19 14:02:27,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527687,527700] [2021-11-19 14:02:27,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527833,527846] [2021-11-19 14:02:27,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[527976,527989] [2021-11-19 14:02:27,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528128,528141] [2021-11-19 14:02:27,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528274,528287] [2021-11-19 14:02:27,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528419,528432] [2021-11-19 14:02:27,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528573,528586] [2021-11-19 14:02:27,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528724,528737] [2021-11-19 14:02:27,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[528879,528892] [2021-11-19 14:02:27,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529031,529044] [2021-11-19 14:02:27,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529186,529199] [2021-11-19 14:02:27,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529350,529363] [2021-11-19 14:02:27,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529506,529519] [2021-11-19 14:02:27,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529670,529683] [2021-11-19 14:02:27,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529812,529825] [2021-11-19 14:02:27,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[529970,529983] [2021-11-19 14:02:27,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530137,530150] [2021-11-19 14:02:27,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530296,530309] [2021-11-19 14:02:27,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530455,530468] [2021-11-19 14:02:27,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530604,530617] [2021-11-19 14:02:27,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530751,530764] [2021-11-19 14:02:27,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[530890,530903] [2021-11-19 14:02:27,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531053,531066] [2021-11-19 14:02:27,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531219,531232] [2021-11-19 14:02:27,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531383,531396] [2021-11-19 14:02:27,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531548,531561] [2021-11-19 14:02:27,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531713,531726] [2021-11-19 14:02:27,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[531879,531892] [2021-11-19 14:02:27,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532044,532057] [2021-11-19 14:02:27,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532211,532224] [2021-11-19 14:02:27,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532371,532384] [2021-11-19 14:02:27,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532533,532546] [2021-11-19 14:02:27,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532692,532705] [2021-11-19 14:02:27,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532838,532851] [2021-11-19 14:02:27,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[532981,532994] [2021-11-19 14:02:27,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533125,533138] [2021-11-19 14:02:27,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533268,533281] [2021-11-19 14:02:27,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533412,533425] [2021-11-19 14:02:27,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533553,533566] [2021-11-19 14:02:27,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533691,533704] [2021-11-19 14:02:27,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[533849,533862] [2021-11-19 14:02:27,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534008,534021] [2021-11-19 14:02:27,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534164,534177] [2021-11-19 14:02:27,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534313,534326] [2021-11-19 14:02:27,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534465,534478] [2021-11-19 14:02:27,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534616,534629] [2021-11-19 14:02:27,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534765,534778] [2021-11-19 14:02:27,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[534917,534930] [2021-11-19 14:02:27,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535065,535078] [2021-11-19 14:02:27,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535218,535231] [2021-11-19 14:02:27,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535369,535382] [2021-11-19 14:02:27,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535519,535532] [2021-11-19 14:02:27,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535666,535679] [2021-11-19 14:02:27,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535817,535830] [2021-11-19 14:02:27,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[535968,535981] [2021-11-19 14:02:27,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536116,536129] [2021-11-19 14:02:27,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536282,536295] [2021-11-19 14:02:27,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536451,536464] [2021-11-19 14:02:27,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536618,536631] [2021-11-19 14:02:27,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536786,536799] [2021-11-19 14:02:27,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[536936,536949] [2021-11-19 14:02:27,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537083,537096] [2021-11-19 14:02:27,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537244,537257] [2021-11-19 14:02:27,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537414,537427] [2021-11-19 14:02:27,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i[537576,537589] [2021-11-19 14:02:27,100 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:27,690 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:02:27,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27 WrapperNode [2021-11-19 14:02:27,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:27,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:27,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:02:27,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:02:27,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:27,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,229 INFO L137 Inliner]: procedures = 891, calls = 4554, calls flagged for inlining = 420, calls inlined = 325, statements flattened = 7908 [2021-11-19 14:02:28,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:28,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:02:28,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:02:28,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:02:28,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:02:28,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:02:28,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:02:28,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:02:28,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (1/1) ... [2021-11-19 14:02:28,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:28,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:28,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:02:28,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:02:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-11-19 14:02:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-11-19 14:02:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-11-19 14:02:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-11-19 14:02:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-19 14:02:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-19 14:02:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:02:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:02:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_142 [2021-11-19 14:02:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_142 [2021-11-19 14:02:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:02:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:02:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-11-19 14:02:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-11-19 14:02:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:02:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:02:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 14:02:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 14:02:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-11-19 14:02:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-11-19 14:02:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 14:02:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 14:02:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-11-19 14:02:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-11-19 14:02:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:02:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:02:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-11-19 14:02:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-11-19 14:02:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-11-19 14:02:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-11-19 14:02:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-11-19 14:02:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-11-19 14:02:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 14:02:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 14:02:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-11-19 14:02:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-11-19 14:02:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:02:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:02:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:02:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:02:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:02:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:02:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-11-19 14:02:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-11-19 14:02:28,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-11-19 14:02:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-11-19 14:02:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:02:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:02:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:02:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:02:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:02:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 14:02:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:02:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:02:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-11-19 14:02:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-11-19 14:02:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:02:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:02:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-11-19 14:02:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-11-19 14:02:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:02:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:02:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-19 14:02:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-19 14:02:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:02:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-19 14:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-19 14:02:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-19 14:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-19 14:02:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-19 14:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-19 14:02:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-11-19 14:02:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-11-19 14:02:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:02:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:02:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:02:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-11-19 14:02:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-11-19 14:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-11-19 14:02:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-11-19 14:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-11-19 14:02:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-11-19 14:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-11-19 14:02:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-11-19 14:02:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:02:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2021-11-19 14:02:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_alx_priv [2021-11-19 14:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-11-19 14:02:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-11-19 14:02:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 14:02:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 14:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 14:02:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 14:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-11-19 14:02:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-11-19 14:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 14:02:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 14:02:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:02:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-19 14:02:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-19 14:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:02:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:02:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-11-19 14:02:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-11-19 14:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:02:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-11-19 14:02:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-11-19 14:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:02:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:02:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-11-19 14:02:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-11-19 14:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-11-19 14:02:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-11-19 14:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 14:02:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 14:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 14:02:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 14:02:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2021-11-19 14:02:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2021-11-19 14:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:02:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:02:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:02:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 14:02:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 14:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:02:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:02:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-11-19 14:02:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-11-19 14:02:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-11-19 14:02:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-11-19 14:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 14:02:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 14:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:02:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:02:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:02:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:02:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:02:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:02:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:02:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-11-19 14:02:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-11-19 14:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:02:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-11-19 14:02:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-11-19 14:02:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-11-19 14:02:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:02:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:02:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-11-19 14:02:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-11-19 14:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-11-19 14:02:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-11-19 14:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-11-19 14:02:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-11-19 14:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 14:02:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 14:02:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-11-19 14:02:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-11-19 14:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-11-19 14:02:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-11-19 14:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 14:02:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 14:02:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-19 14:02:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-19 14:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-11-19 14:02:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-11-19 14:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_141 [2021-11-19 14:02:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_141 [2021-11-19 14:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-19 14:02:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-19 14:02:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:02:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:02:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:02:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-11-19 14:02:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-11-19 14:02:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-11-19 14:02:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-11-19 14:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-11-19 14:02:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-11-19 14:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:02:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:02:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:02:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:02:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-11-19 14:02:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-11-19 14:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-11-19 14:02:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-11-19 14:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:02:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:02:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:02:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 14:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-19 14:02:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-19 14:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-11-19 14:02:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-11-19 14:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:02:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:02:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:02:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:02:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:02:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:02:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:02:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2021-11-19 14:02:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_alx_priv [2021-11-19 14:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 14:02:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 14:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-11-19 14:02:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-11-19 14:02:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 14:02:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 14:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-19 14:02:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-11-19 14:02:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-11-19 14:02:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:02:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:02:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2021-11-19 14:02:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_is_locked [2021-11-19 14:02:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-11-19 14:02:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-11-19 14:02:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-11-19 14:02:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-11-19 14:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:02:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-19 14:02:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-19 14:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:02:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:02:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:02:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:02:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:02:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:02:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:02:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-11-19 14:02:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-11-19 14:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:02:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-11-19 14:02:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-11-19 14:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-19 14:02:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-19 14:02:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:02:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-19 14:02:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-19 14:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-11-19 14:02:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-11-19 14:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 14:02:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 14:02:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:02:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-11-19 14:02:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-11-19 14:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-11-19 14:02:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-11-19 14:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:02:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:02:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:02:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 14:02:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 14:02:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-11-19 14:02:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-11-19 14:02:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:02:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:02:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 14:02:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 14:02:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:02:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:02:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:02:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-11-19 14:02:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 14:02:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:02:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:02:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:02:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-19 14:02:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-19 14:02:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:02:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:02:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 14:02:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 14:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-11-19 14:02:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-11-19 14:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:02:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 14:02:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 14:02:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-19 14:02:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-19 14:02:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 14:02:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 14:02:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:02:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:02:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:02:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:02:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-11-19 14:02:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-11-19 14:02:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-11-19 14:02:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-11-19 14:02:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:02:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:02:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:02:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:02:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-11-19 14:02:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-11-19 14:02:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 14:02:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 14:02:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 14:02:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 14:02:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:02:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:02:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 14:02:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 14:02:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:02:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:02:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 14:02:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 14:02:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 14:02:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 14:02:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:02:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:02:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:02:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:02:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:02:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:02:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-19 14:02:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-19 14:02:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-11-19 14:02:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-11-19 14:02:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-11-19 14:02:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-11-19 14:02:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-11-19 14:02:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-11-19 14:02:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:02:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:02:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:02:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:02:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 14:02:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 14:02:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-19 14:02:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-19 14:02:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-11-19 14:02:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-11-19 14:02:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-11-19 14:02:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-11-19 14:02:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-11-19 14:02:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-11-19 14:02:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-11-19 14:02:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-11-19 14:02:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 14:02:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 14:02:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:02:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:02:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 14:02:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 14:02:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:02:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:02:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-19 14:02:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-19 14:02:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-11-19 14:02:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-11-19 14:02:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 14:02:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 14:02:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:02:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:02:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-11-19 14:02:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-11-19 14:02:30,156 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:02:30,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:02:30,239 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:03:09,607 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:03:09,632 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:03:09,632 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-19 14:03:09,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:09 BoogieIcfgContainer [2021-11-19 14:03:09,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:03:09,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:03:09,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:03:09,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:03:09,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:02:18" (1/3) ... [2021-11-19 14:03:09,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fa234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:09, skipping insertion in model container [2021-11-19 14:03:09,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:27" (2/3) ... [2021-11-19 14:03:09,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266fa234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:03:09, skipping insertion in model container [2021-11-19 14:03:09,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:03:09" (3/3) ... [2021-11-19 14:03:09,647 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--atheros--alx--alx.ko.cil.i [2021-11-19 14:03:09,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:03:09,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-11-19 14:03:09,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:03:09,718 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 14:03:09,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-11-19 14:03:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 3026 states, 1959 states have (on average 1.2557427258805514) internal successors, (2460), 2047 states have internal predecessors, (2460), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) [2021-11-19 14:03:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 14:03:09,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:09,805 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] [2021-11-19 14:03:09,805 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:09,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash -694614232, now seen corresponding path program 1 times [2021-11-19 14:03:09,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:09,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904370617] [2021-11-19 14:03:09,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:09,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:09,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:09,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:09,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:03:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:12,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 2538 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:12,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:12,870 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 14:03:12,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:13,321 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 14:03:13,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:13,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904370617] [2021-11-19 14:03:13,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904370617] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:13,322 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:13,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:13,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196283501] [2021-11-19 14:03:13,326 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:13,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:13,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:13,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:13,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:13,382 INFO L87 Difference]: Start difference. First operand has 3026 states, 1959 states have (on average 1.2557427258805514) internal successors, (2460), 2047 states have internal predecessors, (2460), 847 states have call successors, (847), 193 states have call predecessors, (847), 192 states have return successors, (840), 824 states have call predecessors, (840), 840 states have call successors, (840) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 14:03:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:14,273 INFO L93 Difference]: Finished difference Result 8904 states and 12659 transitions. [2021-11-19 14:03:14,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:03:14,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-19 14:03:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:14,341 INFO L225 Difference]: With dead ends: 8904 [2021-11-19 14:03:14,341 INFO L226 Difference]: Without dead ends: 5876 [2021-11-19 14:03:14,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 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 14:03:14,375 INFO L933 BasicCegarLoop]: 4890 mSDtfsCounter, 3944 mSDsluCounter, 13766 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 18656 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:14,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 18656 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:03:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5876 states. [2021-11-19 14:03:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5876 to 5675. [2021-11-19 14:03:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5675 states, 3680 states have (on average 1.2279891304347825) internal successors, (4519), 3808 states have internal predecessors, (4519), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 5675 states and 7729 transitions. [2021-11-19 14:03:14,928 INFO L78 Accepts]: Start accepts. Automaton has 5675 states and 7729 transitions. Word has length 64 [2021-11-19 14:03:14,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:14,929 INFO L470 AbstractCegarLoop]: Abstraction has 5675 states and 7729 transitions. [2021-11-19 14:03:14,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 14:03:14,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5675 states and 7729 transitions. [2021-11-19 14:03:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 14:03:14,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:14,934 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] [2021-11-19 14:03:14,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:15,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:15,158 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1207578239, now seen corresponding path program 1 times [2021-11-19 14:03:15,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:15,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322063426] [2021-11-19 14:03:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:15,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:15,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:15,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:15,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:03:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:17,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:17,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:18,106 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 14:03:18,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:18,626 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 14:03:18,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:18,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322063426] [2021-11-19 14:03:18,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322063426] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:18,627 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:18,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:18,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382897899] [2021-11-19 14:03:18,628 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:18,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:18,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:18,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:18,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:18,631 INFO L87 Difference]: Start difference. First operand 5675 states and 7729 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 14:03:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:19,015 INFO L93 Difference]: Finished difference Result 5675 states and 7729 transitions. [2021-11-19 14:03:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 70 [2021-11-19 14:03:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:19,064 INFO L225 Difference]: With dead ends: 5675 [2021-11-19 14:03:19,064 INFO L226 Difference]: Without dead ends: 5673 [2021-11-19 14:03:19,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 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 14:03:19,070 INFO L933 BasicCegarLoop]: 3992 mSDtfsCounter, 3939 mSDsluCounter, 7980 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 11972 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 14:03:19,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3941 Valid, 11972 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:03:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5673 states. [2021-11-19 14:03:19,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5673 to 5673. [2021-11-19 14:03:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5673 states, 3679 states have (on average 1.2277792878499592) internal successors, (4517), 3806 states have internal predecessors, (4517), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 5673 states and 7727 transitions. [2021-11-19 14:03:19,474 INFO L78 Accepts]: Start accepts. Automaton has 5673 states and 7727 transitions. Word has length 70 [2021-11-19 14:03:19,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:19,475 INFO L470 AbstractCegarLoop]: Abstraction has 5673 states and 7727 transitions. [2021-11-19 14:03:19,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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 14:03:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5673 states and 7727 transitions. [2021-11-19 14:03:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 14:03:19,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:19,478 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] [2021-11-19 14:03:19,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:19,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:19,696 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:19,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:19,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1736392530, now seen corresponding path program 1 times [2021-11-19 14:03:19,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:19,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199354874] [2021-11-19 14:03:19,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:19,701 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:19,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:03:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:22,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:22,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:22,951 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 14:03:22,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:23,454 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 14:03:23,455 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:23,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199354874] [2021-11-19 14:03:23,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199354874] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:23,455 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:23,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:23,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822865439] [2021-11-19 14:03:23,456 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:23,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:23,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:23,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:23,458 INFO L87 Difference]: Start difference. First operand 5673 states and 7727 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 14:03:23,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:23,816 INFO L93 Difference]: Finished difference Result 5673 states and 7727 transitions. [2021-11-19 14:03:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:23,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 76 [2021-11-19 14:03:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:23,883 INFO L225 Difference]: With dead ends: 5673 [2021-11-19 14:03:23,883 INFO L226 Difference]: Without dead ends: 5671 [2021-11-19 14:03:23,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 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 14:03:23,892 INFO L933 BasicCegarLoop]: 3990 mSDtfsCounter, 3934 mSDsluCounter, 3988 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3936 SdHoareTripleChecker+Valid, 7978 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 14:03:23,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3936 Valid, 7978 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:03:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2021-11-19 14:03:24,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5671. [2021-11-19 14:03:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5671 states, 3678 states have (on average 1.227569331158238) internal successors, (4515), 3804 states have internal predecessors, (4515), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 5671 states and 7725 transitions. [2021-11-19 14:03:24,310 INFO L78 Accepts]: Start accepts. Automaton has 5671 states and 7725 transitions. Word has length 76 [2021-11-19 14:03:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:24,311 INFO L470 AbstractCegarLoop]: Abstraction has 5671 states and 7725 transitions. [2021-11-19 14:03:24,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 14:03:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 7725 transitions. [2021-11-19 14:03:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-19 14:03:24,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:24,319 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] [2021-11-19 14:03:24,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:24,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:24,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:24,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash 489662195, now seen corresponding path program 1 times [2021-11-19 14:03:24,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:24,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19681392] [2021-11-19 14:03:24,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:24,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:24,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:24,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:03:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:26,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:26,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:27,568 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 14:03:27,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:28,074 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 14:03:28,075 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:28,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19681392] [2021-11-19 14:03:28,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19681392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:28,075 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:28,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:28,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260295255] [2021-11-19 14:03:28,076 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:28,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:28,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:28,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:28,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:28,077 INFO L87 Difference]: Start difference. First operand 5671 states and 7725 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 14:03:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:28,501 INFO L93 Difference]: Finished difference Result 5671 states and 7725 transitions. [2021-11-19 14:03:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:28,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 82 [2021-11-19 14:03:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:28,552 INFO L225 Difference]: With dead ends: 5671 [2021-11-19 14:03:28,552 INFO L226 Difference]: Without dead ends: 5669 [2021-11-19 14:03:28,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 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 14:03:28,558 INFO L933 BasicCegarLoop]: 3988 mSDtfsCounter, 3926 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 7974 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 14:03:28,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3928 Valid, 7974 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:03:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5669 states. [2021-11-19 14:03:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5669 to 5669. [2021-11-19 14:03:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5669 states, 3677 states have (on average 1.2273592602665215) internal successors, (4513), 3802 states have internal predecessors, (4513), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7723 transitions. [2021-11-19 14:03:28,965 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7723 transitions. Word has length 82 [2021-11-19 14:03:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:28,966 INFO L470 AbstractCegarLoop]: Abstraction has 5669 states and 7723 transitions. [2021-11-19 14:03:28,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 14:03:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7723 transitions. [2021-11-19 14:03:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-19 14:03:28,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:28,968 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] [2021-11-19 14:03:29,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:29,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:29,182 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:29,182 INFO L85 PathProgramCache]: Analyzing trace with hash 734081698, now seen corresponding path program 1 times [2021-11-19 14:03:29,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:29,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789482860] [2021-11-19 14:03:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:29,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:29,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:29,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:29,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:03:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:31,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:31,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:32,235 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 14:03:32,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:32,724 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 14:03:32,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:32,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789482860] [2021-11-19 14:03:32,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789482860] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:32,724 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:32,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:32,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388448201] [2021-11-19 14:03:32,725 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:32,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:32,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:32,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:32,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:32,727 INFO L87 Difference]: Start difference. First operand 5669 states and 7723 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 14:03:33,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:33,081 INFO L93 Difference]: Finished difference Result 5669 states and 7723 transitions. [2021-11-19 14:03:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:33,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 88 [2021-11-19 14:03:33,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:33,126 INFO L225 Difference]: With dead ends: 5669 [2021-11-19 14:03:33,126 INFO L226 Difference]: Without dead ends: 5667 [2021-11-19 14:03:33,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 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 14:03:33,132 INFO L933 BasicCegarLoop]: 3986 mSDtfsCounter, 3915 mSDsluCounter, 7968 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3917 SdHoareTripleChecker+Valid, 11954 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 14:03:33,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3917 Valid, 11954 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:03:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5667 states. [2021-11-19 14:03:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5667 to 5667. [2021-11-19 14:03:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5667 states, 3676 states have (on average 1.2271490750816105) internal successors, (4511), 3800 states have internal predecessors, (4511), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 7721 transitions. [2021-11-19 14:03:33,590 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 7721 transitions. Word has length 88 [2021-11-19 14:03:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:33,591 INFO L470 AbstractCegarLoop]: Abstraction has 5667 states and 7721 transitions. [2021-11-19 14:03:33,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 14:03:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 7721 transitions. [2021-11-19 14:03:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-19 14:03:33,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:33,593 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] [2021-11-19 14:03:33,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:33,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:33,806 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:33,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:33,807 INFO L85 PathProgramCache]: Analyzing trace with hash -332036335, now seen corresponding path program 1 times [2021-11-19 14:03:33,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:33,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614443262] [2021-11-19 14:03:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:33,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:33,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:33,813 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:33,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:03:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:36,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 2739 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 14:03:36,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:38,291 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 14:03:38,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:41,273 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 14:03:41,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:41,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614443262] [2021-11-19 14:03:41,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614443262] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:03:41,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:03:41,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2021-11-19 14:03:41,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618102808] [2021-11-19 14:03:41,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:41,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 14:03:41,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 14:03:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:03:41,276 INFO L87 Difference]: Start difference. First operand 5667 states and 7721 transitions. Second operand has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 14:03:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:45,634 INFO L93 Difference]: Finished difference Result 11736 states and 16040 transitions. [2021-11-19 14:03:45,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 14:03:45,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) Word has length 113 [2021-11-19 14:03:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:45,679 INFO L225 Difference]: With dead ends: 11736 [2021-11-19 14:03:45,680 INFO L226 Difference]: Without dead ends: 6086 [2021-11-19 14:03:45,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:03:45,715 INFO L933 BasicCegarLoop]: 4296 mSDtfsCounter, 774 mSDsluCounter, 33248 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 37544 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:45,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1056 Valid, 37544 Invalid, 498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 14:03:45,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-11-19 14:03:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 5667. [2021-11-19 14:03:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5667 states, 3676 states have (on average 1.2268770402611535) internal successors, (4510), 3799 states have internal predecessors, (4510), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 7720 transitions. [2021-11-19 14:03:46,202 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 7720 transitions. Word has length 113 [2021-11-19 14:03:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:46,203 INFO L470 AbstractCegarLoop]: Abstraction has 5667 states and 7720 transitions. [2021-11-19 14:03:46,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 6 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-19 14:03:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 7720 transitions. [2021-11-19 14:03:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 14:03:46,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:46,206 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] [2021-11-19 14:03:46,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:46,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:46,422 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:46,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:46,423 INFO L85 PathProgramCache]: Analyzing trace with hash -557446801, now seen corresponding path program 1 times [2021-11-19 14:03:46,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:46,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925907276] [2021-11-19 14:03:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:46,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:46,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:46,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:46,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:03:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:48,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:48,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:49,419 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 14:03:49,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:49,919 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 14:03:49,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:49,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925907276] [2021-11-19 14:03:49,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925907276] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:49,920 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:49,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:03:49,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277874978] [2021-11-19 14:03:49,920 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:49,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:03:49,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:03:49,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:49,922 INFO L87 Difference]: Start difference. First operand 5667 states and 7720 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 14:03:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:50,296 INFO L93 Difference]: Finished difference Result 5667 states and 7720 transitions. [2021-11-19 14:03:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:50,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 94 [2021-11-19 14:03:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:50,331 INFO L225 Difference]: With dead ends: 5667 [2021-11-19 14:03:50,331 INFO L226 Difference]: Without dead ends: 5665 [2021-11-19 14:03:50,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 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 14:03:50,337 INFO L933 BasicCegarLoop]: 3983 mSDtfsCounter, 3906 mSDsluCounter, 7962 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 11945 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 14:03:50,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3908 Valid, 11945 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:03:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5665 states. [2021-11-19 14:03:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5665 to 5665. [2021-11-19 14:03:50,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 3675 states have (on average 1.2266666666666666) internal successors, (4508), 3797 states have internal predecessors, (4508), 1605 states have call successors, (1605), 362 states have call predecessors, (1605), 360 states have return successors, (1605), 1575 states have call predecessors, (1605), 1603 states have call successors, (1605) [2021-11-19 14:03:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 7718 transitions. [2021-11-19 14:03:50,826 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 7718 transitions. Word has length 94 [2021-11-19 14:03:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:50,827 INFO L470 AbstractCegarLoop]: Abstraction has 5665 states and 7718 transitions. [2021-11-19 14:03:50,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 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 14:03:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 7718 transitions. [2021-11-19 14:03:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 14:03:50,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:50,830 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] [2021-11-19 14:03:50,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:51,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:51,050 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1613949972, now seen corresponding path program 1 times [2021-11-19 14:03:51,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:51,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777022228] [2021-11-19 14:03:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:51,053 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:51,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:51,056 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:03:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:53,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 2750 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:03:53,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:53,678 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 14:03:53,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:54,094 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 14:03:54,094 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:54,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777022228] [2021-11-19 14:03:54,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777022228] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:54,095 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:54,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:54,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801986807] [2021-11-19 14:03:54,095 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:54,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:54,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:54,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:54,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:54,099 INFO L87 Difference]: Start difference. First operand 5665 states and 7718 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 14:03:57,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:57,818 INFO L93 Difference]: Finished difference Result 14637 states and 19897 transitions. [2021-11-19 14:03:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:57,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 117 [2021-11-19 14:03:57,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:57,865 INFO L225 Difference]: With dead ends: 14637 [2021-11-19 14:03:57,865 INFO L226 Difference]: Without dead ends: 8993 [2021-11-19 14:03:57,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 230 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 14:03:57,895 INFO L933 BasicCegarLoop]: 5032 mSDtfsCounter, 6279 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 7289 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:57,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6279 Valid, 7289 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1658 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 14:03:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8993 states. [2021-11-19 14:03:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8993 to 8975. [2021-11-19 14:03:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 5838 states have (on average 1.2250770811921892) internal successors, (7152), 6018 states have internal predecessors, (7152), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:03:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 12186 transitions. [2021-11-19 14:03:58,586 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 12186 transitions. Word has length 117 [2021-11-19 14:03:58,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:58,588 INFO L470 AbstractCegarLoop]: Abstraction has 8975 states and 12186 transitions. [2021-11-19 14:03:58,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 14:03:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 12186 transitions. [2021-11-19 14:03:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-19 14:03:58,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:58,594 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] [2021-11-19 14:03:58,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-19 14:03:58,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:58,810 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:03:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:58,810 INFO L85 PathProgramCache]: Analyzing trace with hash -576946536, now seen corresponding path program 1 times [2021-11-19 14:03:58,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:58,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751947102] [2021-11-19 14:03:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:58,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:58,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:58,816 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:58,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:04:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:00,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:00,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:01,992 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 14:04:01,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:02,528 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 14:04:02,528 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:02,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751947102] [2021-11-19 14:04:02,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751947102] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:02,529 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:02,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:02,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937573839] [2021-11-19 14:04:02,529 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:02,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:02,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:02,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:02,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:02,531 INFO L87 Difference]: Start difference. First operand 8975 states and 12186 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 14:04:02,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:02,950 INFO L93 Difference]: Finished difference Result 8975 states and 12186 transitions. [2021-11-19 14:04:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 100 [2021-11-19 14:04:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:03,002 INFO L225 Difference]: With dead ends: 8975 [2021-11-19 14:04:03,002 INFO L226 Difference]: Without dead ends: 8973 [2021-11-19 14:04:03,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 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 14:04:03,011 INFO L933 BasicCegarLoop]: 3981 mSDtfsCounter, 3901 mSDsluCounter, 3979 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3903 SdHoareTripleChecker+Valid, 7960 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 14:04:03,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3903 Valid, 7960 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:03,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8973 states. [2021-11-19 14:04:03,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8973 to 8973. [2021-11-19 14:04:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 5837 states have (on average 1.2249443207126949) internal successors, (7150), 6016 states have internal predecessors, (7150), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 12184 transitions. [2021-11-19 14:04:03,923 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 12184 transitions. Word has length 100 [2021-11-19 14:04:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:03,924 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 12184 transitions. [2021-11-19 14:04:03,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 14:04:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 12184 transitions. [2021-11-19 14:04:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 14:04:03,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:03,928 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] [2021-11-19 14:04:03,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:04,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:04,142 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:04,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2333842, now seen corresponding path program 1 times [2021-11-19 14:04:04,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:04,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310451591] [2021-11-19 14:04:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:04,147 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:04,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:04,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:04:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:06,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 2763 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:06,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:06,866 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 14:04:06,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:07,292 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 14:04:07,292 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:07,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310451591] [2021-11-19 14:04:07,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310451591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:07,293 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:07,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:07,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675199177] [2021-11-19 14:04:07,293 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:07,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:07,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:07,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:07,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:07,295 INFO L87 Difference]: Start difference. First operand 8973 states and 12184 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:04:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:08,034 INFO L93 Difference]: Finished difference Result 17919 states and 24335 transitions. [2021-11-19 14:04:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:04:08,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 126 [2021-11-19 14:04:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:08,073 INFO L225 Difference]: With dead ends: 17919 [2021-11-19 14:04:08,073 INFO L226 Difference]: Without dead ends: 8967 [2021-11-19 14:04:08,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 248 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 14:04:08,114 INFO L933 BasicCegarLoop]: 3977 mSDtfsCounter, 3961 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3961 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:08,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3961 Valid, 3977 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:04:08,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8967 states. [2021-11-19 14:04:08,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8967 to 8967. [2021-11-19 14:04:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8967 states, 5832 states have (on average 1.2244513031550068) internal successors, (7141), 6010 states have internal predecessors, (7141), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8967 states to 8967 states and 12175 transitions. [2021-11-19 14:04:08,856 INFO L78 Accepts]: Start accepts. Automaton has 8967 states and 12175 transitions. Word has length 126 [2021-11-19 14:04:08,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:08,857 INFO L470 AbstractCegarLoop]: Abstraction has 8967 states and 12175 transitions. [2021-11-19 14:04:08,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 14:04:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 8967 states and 12175 transitions. [2021-11-19 14:04:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 14:04:08,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:08,860 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] [2021-11-19 14:04:08,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:09,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:09,080 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:09,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash 117081631, now seen corresponding path program 1 times [2021-11-19 14:04:09,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:09,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528392222] [2021-11-19 14:04:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:09,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:09,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:09,086 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:09,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:04:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:11,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:11,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:12,368 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 14:04:12,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:12,928 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 14:04:12,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:12,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528392222] [2021-11-19 14:04:12,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528392222] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:12,929 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:12,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:12,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616183212] [2021-11-19 14:04:12,929 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:12,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:12,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:12,931 INFO L87 Difference]: Start difference. First operand 8967 states and 12175 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 14:04:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:13,408 INFO L93 Difference]: Finished difference Result 8967 states and 12175 transitions. [2021-11-19 14:04:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:13,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 106 [2021-11-19 14:04:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:13,444 INFO L225 Difference]: With dead ends: 8967 [2021-11-19 14:04:13,444 INFO L226 Difference]: Without dead ends: 8965 [2021-11-19 14:04:13,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 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 14:04:13,451 INFO L933 BasicCegarLoop]: 3974 mSDtfsCounter, 3889 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3891 SdHoareTripleChecker+Valid, 11910 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 14:04:13,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3891 Valid, 11910 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8965 states. [2021-11-19 14:04:14,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 8965. [2021-11-19 14:04:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8965 states, 5831 states have (on average 1.2243182987480707) internal successors, (7139), 6008 states have internal predecessors, (7139), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8965 states to 8965 states and 12173 transitions. [2021-11-19 14:04:14,289 INFO L78 Accepts]: Start accepts. Automaton has 8965 states and 12173 transitions. Word has length 106 [2021-11-19 14:04:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:14,292 INFO L470 AbstractCegarLoop]: Abstraction has 8965 states and 12173 transitions. [2021-11-19 14:04:14,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 14:04:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8965 states and 12173 transitions. [2021-11-19 14:04:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 14:04:14,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:14,294 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] [2021-11-19 14:04:14,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:14,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:14,518 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:14,519 INFO L85 PathProgramCache]: Analyzing trace with hash 846470626, now seen corresponding path program 1 times [2021-11-19 14:04:14,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:14,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270789736] [2021-11-19 14:04:14,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:14,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:14,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:14,524 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:04:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:16,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2604 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:16,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:17,800 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 14:04:17,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:18,353 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 14:04:18,353 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:18,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270789736] [2021-11-19 14:04:18,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270789736] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:18,353 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:18,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:18,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824074682] [2021-11-19 14:04:18,354 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:18,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:18,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:18,355 INFO L87 Difference]: Start difference. First operand 8965 states and 12173 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 14:04:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:18,867 INFO L93 Difference]: Finished difference Result 8965 states and 12173 transitions. [2021-11-19 14:04:18,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 108 [2021-11-19 14:04:18,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:18,904 INFO L225 Difference]: With dead ends: 8965 [2021-11-19 14:04:18,904 INFO L226 Difference]: Without dead ends: 8963 [2021-11-19 14:04:18,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 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 14:04:18,910 INFO L933 BasicCegarLoop]: 3972 mSDtfsCounter, 3881 mSDsluCounter, 7940 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 11912 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 14:04:18,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3883 Valid, 11912 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:18,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8963 states. [2021-11-19 14:04:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8963 to 8963. [2021-11-19 14:04:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8963 states, 5830 states have (on average 1.2241852487135505) internal successors, (7137), 6006 states have internal predecessors, (7137), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8963 states to 8963 states and 12171 transitions. [2021-11-19 14:04:19,786 INFO L78 Accepts]: Start accepts. Automaton has 8963 states and 12171 transitions. Word has length 108 [2021-11-19 14:04:19,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:19,787 INFO L470 AbstractCegarLoop]: Abstraction has 8963 states and 12171 transitions. [2021-11-19 14:04:19,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 14:04:19,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8963 states and 12171 transitions. [2021-11-19 14:04:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 14:04:19,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:19,790 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] [2021-11-19 14:04:19,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:20,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:20,006 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:20,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:20,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1008193661, now seen corresponding path program 1 times [2021-11-19 14:04:20,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:20,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127982763] [2021-11-19 14:04:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:20,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:20,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:20,013 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:20,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:04:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:22,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:22,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:23,381 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 14:04:23,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:23,971 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 14:04:23,971 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:23,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127982763] [2021-11-19 14:04:23,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127982763] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:23,971 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:23,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:23,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234296073] [2021-11-19 14:04:23,971 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:23,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:23,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:23,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:23,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:23,973 INFO L87 Difference]: Start difference. First operand 8963 states and 12171 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 14:04:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:24,528 INFO L93 Difference]: Finished difference Result 8963 states and 12171 transitions. [2021-11-19 14:04:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:24,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 114 [2021-11-19 14:04:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:24,559 INFO L225 Difference]: With dead ends: 8963 [2021-11-19 14:04:24,560 INFO L226 Difference]: Without dead ends: 8961 [2021-11-19 14:04:24,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 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 14:04:24,564 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 3873 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 11906 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 14:04:24,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3875 Valid, 11906 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2021-11-19 14:04:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 8961. [2021-11-19 14:04:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8961 states, 5829 states have (on average 1.2240521530279636) internal successors, (7135), 6004 states have internal predecessors, (7135), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8961 states to 8961 states and 12169 transitions. [2021-11-19 14:04:25,419 INFO L78 Accepts]: Start accepts. Automaton has 8961 states and 12169 transitions. Word has length 114 [2021-11-19 14:04:25,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:25,420 INFO L470 AbstractCegarLoop]: Abstraction has 8961 states and 12169 transitions. [2021-11-19 14:04:25,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 14:04:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 8961 states and 12169 transitions. [2021-11-19 14:04:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 14:04:25,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:25,423 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] [2021-11-19 14:04:25,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:25,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:25,638 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:25,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:25,638 INFO L85 PathProgramCache]: Analyzing trace with hash -843679646, now seen corresponding path program 1 times [2021-11-19 14:04:25,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:25,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658673760] [2021-11-19 14:04:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:25,641 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:25,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:25,642 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:25,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:04:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:27,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:28,966 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 14:04:28,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:29,602 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 14:04:29,602 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:29,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658673760] [2021-11-19 14:04:29,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658673760] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:29,602 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:29,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:29,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449646894] [2021-11-19 14:04:29,603 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:29,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:29,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:29,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:29,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:29,604 INFO L87 Difference]: Start difference. First operand 8961 states and 12169 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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 14:04:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:30,119 INFO L93 Difference]: Finished difference Result 8961 states and 12169 transitions. [2021-11-19 14:04:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:30,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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 120 [2021-11-19 14:04:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:30,143 INFO L225 Difference]: With dead ends: 8961 [2021-11-19 14:04:30,143 INFO L226 Difference]: Without dead ends: 8959 [2021-11-19 14:04:30,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 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 14:04:30,148 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 3865 mSDsluCounter, 7932 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 11900 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 14:04:30,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3867 Valid, 11900 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:30,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8959 states. [2021-11-19 14:04:31,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8959 to 8959. [2021-11-19 14:04:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8959 states, 5828 states have (on average 1.2239190116678105) internal successors, (7133), 6002 states have internal predecessors, (7133), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8959 states to 8959 states and 12167 transitions. [2021-11-19 14:04:31,041 INFO L78 Accepts]: Start accepts. Automaton has 8959 states and 12167 transitions. Word has length 120 [2021-11-19 14:04:31,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:31,041 INFO L470 AbstractCegarLoop]: Abstraction has 8959 states and 12167 transitions. [2021-11-19 14:04:31,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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 14:04:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 8959 states and 12167 transitions. [2021-11-19 14:04:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 14:04:31,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:31,044 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] [2021-11-19 14:04:31,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-19 14:04:31,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,258 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:31,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:31,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1500529062, now seen corresponding path program 1 times [2021-11-19 14:04:31,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:31,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708673889] [2021-11-19 14:04:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:31,262 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:31,263 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:31,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 14:04:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:33,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:33,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:34,572 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 14:04:34,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:35,213 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 14:04:35,213 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:35,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708673889] [2021-11-19 14:04:35,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708673889] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:35,213 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:35,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:35,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247590829] [2021-11-19 14:04:35,214 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:35,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:35,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:35,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:35,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:35,216 INFO L87 Difference]: Start difference. First operand 8959 states and 12167 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 14:04:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:35,822 INFO L93 Difference]: Finished difference Result 8959 states and 12167 transitions. [2021-11-19 14:04:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:35,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 126 [2021-11-19 14:04:35,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:35,846 INFO L225 Difference]: With dead ends: 8959 [2021-11-19 14:04:35,846 INFO L226 Difference]: Without dead ends: 8957 [2021-11-19 14:04:35,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 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 14:04:35,850 INFO L933 BasicCegarLoop]: 3966 mSDtfsCounter, 3860 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 7930 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 14:04:35,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3862 Valid, 7930 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:35,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8957 states. [2021-11-19 14:04:36,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8957 to 8957. [2021-11-19 14:04:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 5827 states have (on average 1.223785824609576) internal successors, (7131), 6000 states have internal predecessors, (7131), 2517 states have call successors, (2517), 599 states have call predecessors, (2517), 595 states have return successors, (2517), 2473 states have call predecessors, (2517), 2515 states have call successors, (2517) [2021-11-19 14:04:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12165 transitions. [2021-11-19 14:04:36,722 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12165 transitions. Word has length 126 [2021-11-19 14:04:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:36,723 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12165 transitions. [2021-11-19 14:04:36,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 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 14:04:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12165 transitions. [2021-11-19 14:04:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 14:04:36,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:36,727 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:04:36,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:36,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:36,940 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:36,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash 856937104, now seen corresponding path program 1 times [2021-11-19 14:04:36,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:36,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210836606] [2021-11-19 14:04:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:36,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:36,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:36,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 14:04:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:39,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:04:39,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 14:04:41,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:04:42,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:42,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [210836606] [2021-11-19 14:04:42,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [210836606] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:04:42,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1918906026] [2021-11-19 14:04:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:42,807 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:04:42,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:04:42,809 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:04:42,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-19 14:04:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:44,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:04:44,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:04:44,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:04:45,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1918906026] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:45,362 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:04:45,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [17, 17] total 22 [2021-11-19 14:04:45,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022876413] [2021-11-19 14:04:45,363 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:45,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:45,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:45,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:04:45,364 INFO L87 Difference]: Start difference. First operand 8957 states and 12165 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:04:46,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:46,430 INFO L93 Difference]: Finished difference Result 18195 states and 24810 transitions. [2021-11-19 14:04:46,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:04:46,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 156 [2021-11-19 14:04:46,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:46,473 INFO L225 Difference]: With dead ends: 18195 [2021-11-19 14:04:46,473 INFO L226 Difference]: Without dead ends: 9259 [2021-11-19 14:04:46,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:04:46,513 INFO L933 BasicCegarLoop]: 4012 mSDtfsCounter, 200 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 12010 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:46,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 12010 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:04:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2021-11-19 14:04:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 9247. [2021-11-19 14:04:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9247 states, 6025 states have (on average 1.2240663900414939) internal successors, (7375), 6198 states have internal predecessors, (7375), 2607 states have call successors, (2607), 601 states have call predecessors, (2607), 597 states have return successors, (2607), 2563 states have call predecessors, (2607), 2605 states have call successors, (2607) [2021-11-19 14:04:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9247 states to 9247 states and 12589 transitions. [2021-11-19 14:04:47,280 INFO L78 Accepts]: Start accepts. Automaton has 9247 states and 12589 transitions. Word has length 156 [2021-11-19 14:04:47,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:47,281 INFO L470 AbstractCegarLoop]: Abstraction has 9247 states and 12589 transitions. [2021-11-19 14:04:47,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:04:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 9247 states and 12589 transitions. [2021-11-19 14:04:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-19 14:04:47,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:47,285 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] [2021-11-19 14:04:47,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:47,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:47,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:47,704 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:47,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:47,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1117183932, now seen corresponding path program 1 times [2021-11-19 14:04:47,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:47,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918687181] [2021-11-19 14:04:47,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:47,707 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:47,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:47,708 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:47,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 14:04:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:49,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:04:49,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:51,170 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 14:04:51,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:51,699 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 14:04:51,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:51,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918687181] [2021-11-19 14:04:51,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918687181] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:51,700 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:51,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:04:51,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394229880] [2021-11-19 14:04:51,701 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:51,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:04:51,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:51,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:04:51,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:04:51,702 INFO L87 Difference]: Start difference. First operand 9247 states and 12589 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 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 14:04:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:52,284 INFO L93 Difference]: Finished difference Result 9247 states and 12589 transitions. [2021-11-19 14:04:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:52,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 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 132 [2021-11-19 14:04:52,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:52,309 INFO L225 Difference]: With dead ends: 9247 [2021-11-19 14:04:52,309 INFO L226 Difference]: Without dead ends: 9245 [2021-11-19 14:04:52,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 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 14:04:52,315 INFO L933 BasicCegarLoop]: 3964 mSDtfsCounter, 3849 mSDsluCounter, 7924 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 11888 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 14:04:52,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3851 Valid, 11888 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:04:52,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2021-11-19 14:04:52,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 9245. [2021-11-19 14:04:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9245 states, 6024 states have (on average 1.223937583001328) internal successors, (7373), 6196 states have internal predecessors, (7373), 2607 states have call successors, (2607), 601 states have call predecessors, (2607), 597 states have return successors, (2607), 2563 states have call predecessors, (2607), 2605 states have call successors, (2607) [2021-11-19 14:04:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9245 states to 9245 states and 12587 transitions. [2021-11-19 14:04:53,034 INFO L78 Accepts]: Start accepts. Automaton has 9245 states and 12587 transitions. Word has length 132 [2021-11-19 14:04:53,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:53,035 INFO L470 AbstractCegarLoop]: Abstraction has 9245 states and 12587 transitions. [2021-11-19 14:04:53,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 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 14:04:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 9245 states and 12587 transitions. [2021-11-19 14:04:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-19 14:04:53,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:53,038 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:04:53,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:53,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:53,238 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:04:53,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:53,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1318276360, now seen corresponding path program 1 times [2021-11-19 14:04:53,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:53,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112034673] [2021-11-19 14:04:53,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:53,242 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:53,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:53,243 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:53,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 14:04:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:55,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:04:55,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 14:04:57,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:04:59,277 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:59,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112034673] [2021-11-19 14:04:59,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112034673] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:04:59,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1590978413] [2021-11-19 14:04:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:59,277 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:04:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:04:59,278 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:04:59,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-19 14:05:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:00,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:05:00,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:03,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:04,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1590978413] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:04,250 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:05:04,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [17, 17] total 25 [2021-11-19 14:05:04,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896401692] [2021-11-19 14:05:04,251 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:04,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:05:04,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:05:04,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:05:04,252 INFO L87 Difference]: Start difference. First operand 9245 states and 12587 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 14:05:15,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:15,043 INFO L93 Difference]: Finished difference Result 18933 states and 25808 transitions. [2021-11-19 14:05:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:05:15,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 161 [2021-11-19 14:05:15,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:15,075 INFO L225 Difference]: With dead ends: 18933 [2021-11-19 14:05:15,075 INFO L226 Difference]: Without dead ends: 9709 [2021-11-19 14:05:15,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2021-11-19 14:05:15,109 INFO L933 BasicCegarLoop]: 3984 mSDtfsCounter, 3849 mSDsluCounter, 10428 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 14412 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:15,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3853 Valid, 14412 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-11-19 14:05:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9709 states. [2021-11-19 14:05:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9709 to 9705. [2021-11-19 14:05:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9705 states, 6324 states have (on average 1.2215370018975331) internal successors, (7725), 6504 states have internal predecessors, (7725), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-19 14:05:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9705 states to 9705 states and 13115 transitions. [2021-11-19 14:05:16,188 INFO L78 Accepts]: Start accepts. Automaton has 9705 states and 13115 transitions. Word has length 161 [2021-11-19 14:05:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:16,189 INFO L470 AbstractCegarLoop]: Abstraction has 9705 states and 13115 transitions. [2021-11-19 14:05:16,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 14:05:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 9705 states and 13115 transitions. [2021-11-19 14:05:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-19 14:05:16,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:16,193 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:05:16,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-19 14:05:16,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:16,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:05:16,602 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:05:16,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1318335942, now seen corresponding path program 1 times [2021-11-19 14:05:16,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:16,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545324723] [2021-11-19 14:05:16,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:16,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:16,607 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:16,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-19 14:05:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:18,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:05:18,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 14:05:20,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:05:22,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:22,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545324723] [2021-11-19 14:05:22,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545324723] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:05:22,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [168588415] [2021-11-19 14:05:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:22,462 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:05:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:05:22,462 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:05:22,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-11-19 14:05:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:35,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:35,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:36,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:36,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [168588415] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:36,914 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:05:36,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [17, 17] total 24 [2021-11-19 14:05:36,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262527640] [2021-11-19 14:05:36,914 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:36,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:05:36,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:36,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:05:36,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:05:36,916 INFO L87 Difference]: Start difference. First operand 9705 states and 13115 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-19 14:05:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:37,668 INFO L93 Difference]: Finished difference Result 9705 states and 13115 transitions. [2021-11-19 14:05:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:05:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2021-11-19 14:05:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:37,695 INFO L225 Difference]: With dead ends: 9705 [2021-11-19 14:05:37,695 INFO L226 Difference]: Without dead ends: 9703 [2021-11-19 14:05:37,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:05:37,701 INFO L933 BasicCegarLoop]: 3961 mSDtfsCounter, 46 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:37,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 11861 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:05:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9703 states. [2021-11-19 14:05:38,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9703 to 9703. [2021-11-19 14:05:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9703 states, 6323 states have (on average 1.2209394274869525) internal successors, (7720), 6502 states have internal predecessors, (7720), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-19 14:05:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9703 states to 9703 states and 13110 transitions. [2021-11-19 14:05:38,525 INFO L78 Accepts]: Start accepts. Automaton has 9703 states and 13110 transitions. Word has length 161 [2021-11-19 14:05:38,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:38,525 INFO L470 AbstractCegarLoop]: Abstraction has 9703 states and 13110 transitions. [2021-11-19 14:05:38,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-19 14:05:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 9703 states and 13110 transitions. [2021-11-19 14:05:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 14:05:38,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:38,528 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] [2021-11-19 14:05:38,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:38,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:38,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:38,929 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:05:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:38,930 INFO L85 PathProgramCache]: Analyzing trace with hash 188213418, now seen corresponding path program 1 times [2021-11-19 14:05:38,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:38,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947996002] [2021-11-19 14:05:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:38,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:38,934 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:38,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 14:05:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:40,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 2649 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:05:40,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:42,348 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 14:05:42,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:42,911 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 14:05:42,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:42,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947996002] [2021-11-19 14:05:42,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947996002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:42,911 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:05:42,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:05:42,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710171100] [2021-11-19 14:05:42,912 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:42,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:05:42,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:42,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:05:42,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:05:42,914 INFO L87 Difference]: Start difference. First operand 9703 states and 13110 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 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 14:05:43,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:43,573 INFO L93 Difference]: Finished difference Result 9703 states and 13110 transitions. [2021-11-19 14:05:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:05:43,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 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 138 [2021-11-19 14:05:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:43,595 INFO L225 Difference]: With dead ends: 9703 [2021-11-19 14:05:43,595 INFO L226 Difference]: Without dead ends: 9701 [2021-11-19 14:05:43,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 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 14:05:43,599 INFO L933 BasicCegarLoop]: 3959 mSDtfsCounter, 3841 mSDsluCounter, 3957 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 7916 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 14:05:43,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3843 Valid, 7916 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:05:43,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9701 states. [2021-11-19 14:05:44,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9701 to 9701. [2021-11-19 14:05:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9701 states, 6322 states have (on average 1.2208161974058842) internal successors, (7718), 6500 states have internal predecessors, (7718), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-19 14:05:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9701 states to 9701 states and 13108 transitions. [2021-11-19 14:05:44,364 INFO L78 Accepts]: Start accepts. Automaton has 9701 states and 13108 transitions. Word has length 138 [2021-11-19 14:05:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:44,364 INFO L470 AbstractCegarLoop]: Abstraction has 9701 states and 13108 transitions. [2021-11-19 14:05:44,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 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 14:05:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9701 states and 13108 transitions. [2021-11-19 14:05:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-19 14:05:44,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:44,368 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:05:44,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:44,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:44,569 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:05:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash -467353972, now seen corresponding path program 1 times [2021-11-19 14:05:44,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:44,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031323983] [2021-11-19 14:05:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:44,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:44,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:44,572 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:44,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-19 14:05:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:46,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:05:46,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 14:05:48,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:05:50,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:05:50,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031323983] [2021-11-19 14:05:50,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031323983] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:05:50,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [729941412] [2021-11-19 14:05:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:50,167 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:05:50,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:05:50,169 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:05:50,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-19 14:05:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:05:51,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 2815 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:05:51,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:05:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:53,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:05:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:05:54,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [729941412] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:05:54,357 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:05:54,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [17, 17] total 22 [2021-11-19 14:05:54,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678503017] [2021-11-19 14:05:54,358 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:05:54,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:05:54,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:05:54,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:05:54,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:05:54,359 INFO L87 Difference]: Start difference. First operand 9701 states and 13108 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 14:05:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:57,438 INFO L93 Difference]: Finished difference Result 19371 states and 26303 transitions. [2021-11-19 14:05:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:57,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 165 [2021-11-19 14:05:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:57,478 INFO L225 Difference]: With dead ends: 19371 [2021-11-19 14:05:57,478 INFO L226 Difference]: Without dead ends: 9691 [2021-11-19 14:05:57,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:05:57,509 INFO L933 BasicCegarLoop]: 3955 mSDtfsCounter, 6092 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6092 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1633 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:57,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6092 Valid, 3955 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1633 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:05:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9691 states. [2021-11-19 14:05:58,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9691 to 9691. [2021-11-19 14:05:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9691 states, 6313 states have (on average 1.2198637731664819) internal successors, (7701), 6490 states have internal predecessors, (7701), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-19 14:05:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9691 states to 9691 states and 13091 transitions. [2021-11-19 14:05:58,395 INFO L78 Accepts]: Start accepts. Automaton has 9691 states and 13091 transitions. Word has length 165 [2021-11-19 14:05:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:05:58,396 INFO L470 AbstractCegarLoop]: Abstraction has 9691 states and 13091 transitions. [2021-11-19 14:05:58,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 14:05:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 9691 states and 13091 transitions. [2021-11-19 14:05:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 14:05:58,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:05:58,399 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] [2021-11-19 14:05:58,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2021-11-19 14:05:58,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-19 14:05:58,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:05:58,815 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:05:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:05:58,815 INFO L85 PathProgramCache]: Analyzing trace with hash -856126382, now seen corresponding path program 1 times [2021-11-19 14:05:58,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:05:58,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000179875] [2021-11-19 14:05:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:05:58,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:05:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:05:58,819 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:05:58,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-19 14:06:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:00,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:06:00,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:02,395 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 14:06:02,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:03,462 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 14:06:03,462 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:03,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000179875] [2021-11-19 14:06:03,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000179875] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:03,463 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:03,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-19 14:06:03,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226286386] [2021-11-19 14:06:03,463 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:03,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:06:03,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:03,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:06:03,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:06:03,464 INFO L87 Difference]: Start difference. First operand 9691 states and 13091 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 14:06:07,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:07,074 INFO L93 Difference]: Finished difference Result 9691 states and 13091 transitions. [2021-11-19 14:06:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:07,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-19 14:06:07,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:07,110 INFO L225 Difference]: With dead ends: 9691 [2021-11-19 14:06:07,110 INFO L226 Difference]: Without dead ends: 9689 [2021-11-19 14:06:07,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:06:07,117 INFO L933 BasicCegarLoop]: 3952 mSDtfsCounter, 6104 mSDsluCounter, 7900 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6106 SdHoareTripleChecker+Valid, 11852 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:07,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6106 Valid, 11852 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1634 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 14:06:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9689 states. [2021-11-19 14:06:08,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9689 to 9689. [2021-11-19 14:06:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9689 states, 6312 states have (on average 1.2197401774397971) internal successors, (7699), 6488 states have internal predecessors, (7699), 2695 states have call successors, (2695), 673 states have call predecessors, (2695), 669 states have return successors, (2695), 2647 states have call predecessors, (2695), 2693 states have call successors, (2695) [2021-11-19 14:06:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9689 states to 9689 states and 13089 transitions. [2021-11-19 14:06:08,052 INFO L78 Accepts]: Start accepts. Automaton has 9689 states and 13089 transitions. Word has length 144 [2021-11-19 14:06:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:08,052 INFO L470 AbstractCegarLoop]: Abstraction has 9689 states and 13089 transitions. [2021-11-19 14:06:08,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 14:06:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 9689 states and 13089 transitions. [2021-11-19 14:06:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-19 14:06:08,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:08,056 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:06:08,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:08,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:08,270 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:06:08,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash 800347753, now seen corresponding path program 1 times [2021-11-19 14:06:08,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:08,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208784441] [2021-11-19 14:06:08,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:08,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:08,279 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:08,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-19 14:06:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:06:10,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-19 14:06:12,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-19 14:06:14,000 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:14,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208784441] [2021-11-19 14:06:14,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208784441] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:06:14,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [919044706] [2021-11-19 14:06:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:14,001 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:06:14,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:06:14,002 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:06:14,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-11-19 14:06:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:20,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:06:20,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:20,457 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 14:06:20,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:20,912 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 14:06:20,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [919044706] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:20,913 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:06:20,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 22 [2021-11-19 14:06:20,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025160039] [2021-11-19 14:06:20,913 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:20,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:06:20,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:06:20,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:06:20,915 INFO L87 Difference]: Start difference. First operand 9689 states and 13089 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-19 14:06:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:21,826 INFO L93 Difference]: Finished difference Result 19365 states and 26214 transitions. [2021-11-19 14:06:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:21,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 173 [2021-11-19 14:06:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:21,853 INFO L225 Difference]: With dead ends: 19365 [2021-11-19 14:06:21,854 INFO L226 Difference]: Without dead ends: 9697 [2021-11-19 14:06:21,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-19 14:06:21,885 INFO L933 BasicCegarLoop]: 3953 mSDtfsCounter, 2 mSDsluCounter, 7896 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11849 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:21,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 11849 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:06:21,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-11-19 14:06:22,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 9697. [2021-11-19 14:06:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9697 states, 6318 states have (on average 1.219531497309275) internal successors, (7705), 6494 states have internal predecessors, (7705), 2697 states have call successors, (2697), 673 states have call predecessors, (2697), 669 states have return successors, (2697), 2649 states have call predecessors, (2697), 2695 states have call successors, (2697) [2021-11-19 14:06:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 13099 transitions. [2021-11-19 14:06:22,707 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 13099 transitions. Word has length 173 [2021-11-19 14:06:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:22,708 INFO L470 AbstractCegarLoop]: Abstraction has 9697 states and 13099 transitions. [2021-11-19 14:06:22,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-19 14:06:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 13099 transitions. [2021-11-19 14:06:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-19 14:06:22,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:22,711 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] [2021-11-19 14:06:22,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:22,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:23,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:06:23,134 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:06:23,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:23,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1718982470, now seen corresponding path program 1 times [2021-11-19 14:06:23,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:23,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990986079] [2021-11-19 14:06:23,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:23,137 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:23,138 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:23,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-19 14:06:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:25,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2667 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:06:25,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:26,615 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 14:06:26,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:27,278 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 14:06:27,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:27,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990986079] [2021-11-19 14:06:27,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990986079] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:27,278 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:27,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:06:27,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883405277] [2021-11-19 14:06:27,279 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:27,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:06:27,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:27,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:06:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:06:27,284 INFO L87 Difference]: Start difference. First operand 9697 states and 13099 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 14:06:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:28,176 INFO L93 Difference]: Finished difference Result 9697 states and 13099 transitions. [2021-11-19 14:06:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:28,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-19 14:06:28,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:28,202 INFO L225 Difference]: With dead ends: 9697 [2021-11-19 14:06:28,202 INFO L226 Difference]: Without dead ends: 9695 [2021-11-19 14:06:28,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 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 14:06:28,208 INFO L933 BasicCegarLoop]: 3950 mSDtfsCounter, 3820 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 7898 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 14:06:28,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3822 Valid, 7898 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:06:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9695 states. [2021-11-19 14:06:29,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9695 to 9695. [2021-11-19 14:06:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9695 states, 6317 states have (on average 1.2194079468101948) internal successors, (7703), 6492 states have internal predecessors, (7703), 2697 states have call successors, (2697), 673 states have call predecessors, (2697), 669 states have return successors, (2697), 2649 states have call predecessors, (2697), 2695 states have call successors, (2697) [2021-11-19 14:06:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9695 states to 9695 states and 13097 transitions. [2021-11-19 14:06:29,045 INFO L78 Accepts]: Start accepts. Automaton has 9695 states and 13097 transitions. Word has length 150 [2021-11-19 14:06:29,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:29,045 INFO L470 AbstractCegarLoop]: Abstraction has 9695 states and 13097 transitions. [2021-11-19 14:06:29,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 14:06:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9695 states and 13097 transitions. [2021-11-19 14:06:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-19 14:06:29,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:29,049 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] [2021-11-19 14:06:29,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:29,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:29,262 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:06:29,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:29,262 INFO L85 PathProgramCache]: Analyzing trace with hash -147750983, now seen corresponding path program 1 times [2021-11-19 14:06:29,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:29,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068279462] [2021-11-19 14:06:29,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:29,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:29,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:29,266 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:29,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-19 14:06:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:31,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 14:06:31,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:32,944 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 14:06:32,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:34,907 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 14:06:34,907 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:34,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068279462] [2021-11-19 14:06:34,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068279462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:34,908 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:34,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 21 [2021-11-19 14:06:34,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094721620] [2021-11-19 14:06:34,908 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:34,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 14:06:34,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:34,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 14:06:34,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-11-19 14:06:34,911 INFO L87 Difference]: Start difference. First operand 9695 states and 13097 transitions. Second operand has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) [2021-11-19 14:06:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:44,984 INFO L93 Difference]: Finished difference Result 20156 states and 27675 transitions. [2021-11-19 14:06:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 14:06:44,985 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) Word has length 179 [2021-11-19 14:06:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:45,025 INFO L225 Difference]: With dead ends: 20156 [2021-11-19 14:06:45,026 INFO L226 Difference]: Without dead ends: 13332 [2021-11-19 14:06:45,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=130, Invalid=926, Unknown=0, NotChecked=0, Total=1056 [2021-11-19 14:06:45,054 INFO L933 BasicCegarLoop]: 5568 mSDtfsCounter, 2490 mSDsluCounter, 85175 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 965 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 90743 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:45,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2738 Valid, 90743 Invalid, 2283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [965 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-19 14:06:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13332 states. [2021-11-19 14:06:46,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13332 to 9715. [2021-11-19 14:06:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9715 states, 6329 states have (on average 1.2189919418549533) internal successors, (7715), 6504 states have internal predecessors, (7715), 2705 states have call successors, (2705), 673 states have call predecessors, (2705), 669 states have return successors, (2705), 2657 states have call predecessors, (2705), 2703 states have call successors, (2705) [2021-11-19 14:06:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9715 states to 9715 states and 13125 transitions. [2021-11-19 14:06:46,136 INFO L78 Accepts]: Start accepts. Automaton has 9715 states and 13125 transitions. Word has length 179 [2021-11-19 14:06:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:46,136 INFO L470 AbstractCegarLoop]: Abstraction has 9715 states and 13125 transitions. [2021-11-19 14:06:46,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 8 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (32), 9 states have call predecessors, (32), 8 states have call successors, (32) [2021-11-19 14:06:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 9715 states and 13125 transitions. [2021-11-19 14:06:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 14:06:46,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:46,139 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] [2021-11-19 14:06:46,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-19 14:06:46,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:46,362 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:06:46,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:46,363 INFO L85 PathProgramCache]: Analyzing trace with hash -146034124, now seen corresponding path program 1 times [2021-11-19 14:06:46,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:46,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240691961] [2021-11-19 14:06:46,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:46,365 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:46,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:46,366 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:46,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-19 14:06:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:48,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 2676 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:06:48,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:49,783 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 14:06:49,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:50,382 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 14:06:50,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:50,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240691961] [2021-11-19 14:06:50,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240691961] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:06:50,383 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:06:50,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:06:50,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161484505] [2021-11-19 14:06:50,383 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:06:50,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:06:50,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:06:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:06:50,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:06:50,384 INFO L87 Difference]: Start difference. First operand 9715 states and 13125 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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 14:06:51,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:06:51,416 INFO L93 Difference]: Finished difference Result 21087 states and 28376 transitions. [2021-11-19 14:06:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:06:51,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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 156 [2021-11-19 14:06:51,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:06:51,447 INFO L225 Difference]: With dead ends: 21087 [2021-11-19 14:06:51,447 INFO L226 Difference]: Without dead ends: 11393 [2021-11-19 14:06:51,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 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 14:06:51,472 INFO L933 BasicCegarLoop]: 4328 mSDtfsCounter, 3503 mSDsluCounter, 5699 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 10027 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:06:51,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3505 Valid, 10027 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:06:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11393 states. [2021-11-19 14:06:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11393 to 11379. [2021-11-19 14:06:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11379 states, 7350 states have (on average 1.2102040816326531) internal successors, (8895), 7550 states have internal predecessors, (8895), 3173 states have call successors, (3173), 849 states have call predecessors, (3173), 845 states have return successors, (3177), 3119 states have call predecessors, (3177), 3171 states have call successors, (3177) [2021-11-19 14:06:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11379 states to 11379 states and 15245 transitions. [2021-11-19 14:06:52,834 INFO L78 Accepts]: Start accepts. Automaton has 11379 states and 15245 transitions. Word has length 156 [2021-11-19 14:06:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:06:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 11379 states and 15245 transitions. [2021-11-19 14:06:52,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 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 14:06:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 11379 states and 15245 transitions. [2021-11-19 14:06:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-19 14:06:52,837 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:06:52,837 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:06:52,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-19 14:06:53,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:06:53,038 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:06:53,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:06:53,038 INFO L85 PathProgramCache]: Analyzing trace with hash 242229089, now seen corresponding path program 1 times [2021-11-19 14:06:53,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:06:53,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223168174] [2021-11-19 14:06:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:53,041 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:06:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:06:53,042 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:06:53,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-19 14:06:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:06:55,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:06:55,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:06:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 14:06:57,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:06:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-19 14:06:58,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:06:58,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223168174] [2021-11-19 14:06:58,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223168174] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:06:58,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1790035966] [2021-11-19 14:06:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:06:58,857 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:06:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:06:58,858 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:06:58,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-19 14:07:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:13,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 14:07:13,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:07:16,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-19 14:07:17,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1790035966] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:07:17,958 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:07:17,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [17, 17] total 25 [2021-11-19 14:07:17,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632324333] [2021-11-19 14:07:17,959 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:07:17,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:07:17,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:17,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:07:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:07:17,960 INFO L87 Difference]: Start difference. First operand 11379 states and 15245 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 14:07:19,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:07:19,510 INFO L93 Difference]: Finished difference Result 11571 states and 15427 transitions. [2021-11-19 14:07:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:07:19,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 181 [2021-11-19 14:07:19,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:07:19,538 INFO L225 Difference]: With dead ends: 11571 [2021-11-19 14:07:19,538 INFO L226 Difference]: Without dead ends: 11569 [2021-11-19 14:07:19,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-11-19 14:07:19,545 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 3807 mSDsluCounter, 15916 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 19886 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:07:19,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3811 Valid, 19886 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:07:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11569 states. [2021-11-19 14:07:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11569 to 11567. [2021-11-19 14:07:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11567 states, 7478 states have (on average 1.208478202728002) internal successors, (9037), 7686 states have internal predecessors, (9037), 3189 states have call successors, (3189), 893 states have call predecessors, (3189), 889 states have return successors, (3193), 3135 states have call predecessors, (3193), 3187 states have call successors, (3193) [2021-11-19 14:07:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11567 states to 11567 states and 15419 transitions. [2021-11-19 14:07:20,648 INFO L78 Accepts]: Start accepts. Automaton has 11567 states and 15419 transitions. Word has length 181 [2021-11-19 14:07:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:07:20,648 INFO L470 AbstractCegarLoop]: Abstraction has 11567 states and 15419 transitions. [2021-11-19 14:07:20,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (55), 4 states have call predecessors, (55), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 14:07:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 11567 states and 15419 transitions. [2021-11-19 14:07:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-19 14:07:20,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:07:20,650 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-19 14:07:20,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-19 14:07:20,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2021-11-19 14:07:21,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 14:07:21,051 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:07:21,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:07:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 550404721, now seen corresponding path program 1 times [2021-11-19 14:07:21,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:07:21,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669052986] [2021-11-19 14:07:21,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:07:21,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:07:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:07:21,055 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:07:21,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-19 14:07:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:23,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:07:23,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-19 14:07:25,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-19 14:07:26,719 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:07:26,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669052986] [2021-11-19 14:07:26,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669052986] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:07:26,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [158608060] [2021-11-19 14:07:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:07:26,720 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:07:26,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:07:26,723 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:07:26,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-19 14:07:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:32,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:07:32,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-19 14:07:33,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-19 14:07:34,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [158608060] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:07:34,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513512543] [2021-11-19 14:07:34,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:07:34,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:07:34,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:07:34,026 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:07:34,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-19 14:07:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:39,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-19 14:07:39,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-19 14:07:39,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-19 14:07:40,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513512543] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:07:40,975 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 14:07:40,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 5, 5, 17, 17] total 26 [2021-11-19 14:07:40,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501135124] [2021-11-19 14:07:40,975 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 14:07:40,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-19 14:07:40,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:40,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-19 14:07:40,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2021-11-19 14:07:40,977 INFO L87 Difference]: Start difference. First operand 11567 states and 15419 transitions. Second operand has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) [2021-11-19 14:07:48,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:07:48,420 INFO L93 Difference]: Finished difference Result 23176 states and 30965 transitions. [2021-11-19 14:07:48,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-19 14:07:48,421 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) Word has length 185 [2021-11-19 14:07:48,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:07:48,447 INFO L225 Difference]: With dead ends: 23176 [2021-11-19 14:07:48,447 INFO L226 Difference]: Without dead ends: 11629 [2021-11-19 14:07:48,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1118 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=198, Invalid=1284, Unknown=0, NotChecked=0, Total=1482 [2021-11-19 14:07:48,473 INFO L933 BasicCegarLoop]: 3929 mSDtfsCounter, 86 mSDsluCounter, 70438 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 74367 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:07:48,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 74367 Invalid, 1364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [261 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-19 14:07:48,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11629 states. [2021-11-19 14:07:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11629 to 11605. [2021-11-19 14:07:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11605 states, 7504 states have (on average 1.2077558635394456) internal successors, (9063), 7712 states have internal predecessors, (9063), 3201 states have call successors, (3201), 893 states have call predecessors, (3201), 889 states have return successors, (3205), 3147 states have call predecessors, (3205), 3199 states have call successors, (3205) [2021-11-19 14:07:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11605 states to 11605 states and 15469 transitions. [2021-11-19 14:07:49,598 INFO L78 Accepts]: Start accepts. Automaton has 11605 states and 15469 transitions. Word has length 185 [2021-11-19 14:07:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:07:49,599 INFO L470 AbstractCegarLoop]: Abstraction has 11605 states and 15469 transitions. [2021-11-19 14:07:49,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.0) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (68), 12 states have call predecessors, (68), 11 states have call successors, (68) [2021-11-19 14:07:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 11605 states and 15469 transitions. [2021-11-19 14:07:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-19 14:07:49,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:07:49,600 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] [2021-11-19 14:07:49,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-19 14:07:49,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2021-11-19 14:07:50,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-11-19 14:07:50,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:07:50,201 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:07:50,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:07:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1084863694, now seen corresponding path program 1 times [2021-11-19 14:07:50,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:07:50,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268208317] [2021-11-19 14:07:50,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:07:50,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:07:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:07:50,205 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:07:50,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-19 14:07:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:52,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:07:52,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:07:53,484 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 14:07:53,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:07:54,070 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 14:07:54,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:07:54,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268208317] [2021-11-19 14:07:54,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268208317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:07:54,070 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:07:54,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:07:54,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651304373] [2021-11-19 14:07:54,071 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:07:54,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:07:54,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:07:54,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:07:54,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:07:54,072 INFO L87 Difference]: Start difference. First operand 11605 states and 15469 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 14:07:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:07:55,073 INFO L93 Difference]: Finished difference Result 11605 states and 15469 transitions. [2021-11-19 14:07:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:07:55,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 162 [2021-11-19 14:07:55,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:07:55,099 INFO L225 Difference]: With dead ends: 11605 [2021-11-19 14:07:55,099 INFO L226 Difference]: Without dead ends: 11603 [2021-11-19 14:07:55,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 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 14:07:55,105 INFO L933 BasicCegarLoop]: 3946 mSDtfsCounter, 3801 mSDsluCounter, 7888 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 11834 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 14:07:55,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3803 Valid, 11834 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:07:55,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11603 states. [2021-11-19 14:07:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11603 to 11603. [2021-11-19 14:07:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11603 states, 7503 states have (on average 1.2076502732240437) internal successors, (9061), 7710 states have internal predecessors, (9061), 3201 states have call successors, (3201), 893 states have call predecessors, (3201), 889 states have return successors, (3205), 3147 states have call predecessors, (3205), 3199 states have call successors, (3205) [2021-11-19 14:07:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11603 states to 11603 states and 15467 transitions. [2021-11-19 14:07:56,209 INFO L78 Accepts]: Start accepts. Automaton has 11603 states and 15467 transitions. Word has length 162 [2021-11-19 14:07:56,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:07:56,210 INFO L470 AbstractCegarLoop]: Abstraction has 11603 states and 15467 transitions. [2021-11-19 14:07:56,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 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 14:07:56,210 INFO L276 IsEmpty]: Start isEmpty. Operand 11603 states and 15467 transitions. [2021-11-19 14:07:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-19 14:07:56,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:07:56,213 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, 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] [2021-11-19 14:07:56,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-19 14:07:56,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:07:56,434 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:07:56,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:07:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2125609560, now seen corresponding path program 1 times [2021-11-19 14:07:56,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:07:56,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599949542] [2021-11-19 14:07:56,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:07:56,438 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:07:56,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:07:56,440 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:07:56,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-19 14:07:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:07:58,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2929 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-19 14:07:58,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-19 14:08:00,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-19 14:08:02,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:02,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599949542] [2021-11-19 14:08:02,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599949542] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:02,925 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:02,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19, 19] imperfect sequences [] total 25 [2021-11-19 14:08:02,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636597317] [2021-11-19 14:08:02,926 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:02,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-19 14:08:02,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:02,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-19 14:08:02,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2021-11-19 14:08:02,927 INFO L87 Difference]: Start difference. First operand 11603 states and 15467 transitions. Second operand has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) [2021-11-19 14:08:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:15,418 INFO L93 Difference]: Finished difference Result 26642 states and 36071 transitions. [2021-11-19 14:08:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 14:08:15,419 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) Word has length 202 [2021-11-19 14:08:15,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:15,467 INFO L225 Difference]: With dead ends: 26642 [2021-11-19 14:08:15,467 INFO L226 Difference]: Without dead ends: 15072 [2021-11-19 14:08:15,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=192, Invalid=1614, Unknown=0, NotChecked=0, Total=1806 [2021-11-19 14:08:15,497 INFO L933 BasicCegarLoop]: 5329 mSDtfsCounter, 2695 mSDsluCounter, 91945 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 1118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 97274 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1118 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:08:15,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2944 Valid, 97274 Invalid, 2619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1118 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-19 14:08:15,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2021-11-19 14:08:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 11616. [2021-11-19 14:08:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11616 states, 7513 states have (on average 1.2073738852655398) internal successors, (9071), 7721 states have internal predecessors, (9071), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-19 14:08:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11616 states to 11616 states and 15483 transitions. [2021-11-19 14:08:16,857 INFO L78 Accepts]: Start accepts. Automaton has 11616 states and 15483 transitions. Word has length 202 [2021-11-19 14:08:16,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:16,858 INFO L470 AbstractCegarLoop]: Abstraction has 11616 states and 15483 transitions. [2021-11-19 14:08:16,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.363636363636363) internal successors, (96), 21 states have internal predecessors, (96), 9 states have call successors, (36), 2 states have call predecessors, (36), 8 states have return successors, (35), 11 states have call predecessors, (35), 9 states have call successors, (35) [2021-11-19 14:08:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 11616 states and 15483 transitions. [2021-11-19 14:08:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-19 14:08:16,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:16,860 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] [2021-11-19 14:08:16,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-11-19 14:08:17,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:17,061 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:17,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1775415653, now seen corresponding path program 1 times [2021-11-19 14:08:17,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:17,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078293925] [2021-11-19 14:08:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:17,064 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:17,065 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:17,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-19 14:08:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:08:19,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 2694 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:08:19,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:20,968 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 14:08:20,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:21,728 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 14:08:21,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:21,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078293925] [2021-11-19 14:08:21,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078293925] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:21,728 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:21,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:08:21,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891831232] [2021-11-19 14:08:21,729 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:21,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:08:21,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:21,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:08:21,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:08:21,730 INFO L87 Difference]: Start difference. First operand 11616 states and 15483 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 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 14:08:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:22,954 INFO L93 Difference]: Finished difference Result 11616 states and 15483 transitions. [2021-11-19 14:08:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:08:22,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 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 168 [2021-11-19 14:08:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:22,982 INFO L225 Difference]: With dead ends: 11616 [2021-11-19 14:08:22,982 INFO L226 Difference]: Without dead ends: 11614 [2021-11-19 14:08:22,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 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 14:08:22,986 INFO L933 BasicCegarLoop]: 3944 mSDtfsCounter, 3793 mSDsluCounter, 7884 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 11828 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 14:08:22,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3795 Valid, 11828 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:08:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11614 states. [2021-11-19 14:08:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11614 to 11614. [2021-11-19 14:08:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11614 states, 7512 states have (on average 1.2072683706070289) internal successors, (9069), 7719 states have internal predecessors, (9069), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-19 14:08:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11614 states to 11614 states and 15481 transitions. [2021-11-19 14:08:24,256 INFO L78 Accepts]: Start accepts. Automaton has 11614 states and 15481 transitions. Word has length 168 [2021-11-19 14:08:24,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:24,256 INFO L470 AbstractCegarLoop]: Abstraction has 11614 states and 15481 transitions. [2021-11-19 14:08:24,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 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 14:08:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 11614 states and 15481 transitions. [2021-11-19 14:08:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 14:08:24,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:24,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:24,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-19 14:08:24,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:24,474 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:24,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:24,475 INFO L85 PathProgramCache]: Analyzing trace with hash -289094349, now seen corresponding path program 1 times [2021-11-19 14:08:24,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:24,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98003405] [2021-11-19 14:08:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:24,479 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:24,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:24,480 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:24,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-19 14:08:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:08:26,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 2703 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:08:26,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:28,682 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 14:08:28,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:29,446 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 14:08:29,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:29,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98003405] [2021-11-19 14:08:29,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98003405] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:29,447 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:29,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:08:29,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636507237] [2021-11-19 14:08:29,447 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:29,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:08:29,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:29,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:08:29,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:08:29,449 INFO L87 Difference]: Start difference. First operand 11614 states and 15481 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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 14:08:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:30,632 INFO L93 Difference]: Finished difference Result 11614 states and 15481 transitions. [2021-11-19 14:08:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:08:30,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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 174 [2021-11-19 14:08:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:30,665 INFO L225 Difference]: With dead ends: 11614 [2021-11-19 14:08:30,665 INFO L226 Difference]: Without dead ends: 11612 [2021-11-19 14:08:30,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 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 14:08:30,672 INFO L933 BasicCegarLoop]: 3942 mSDtfsCounter, 3785 mSDsluCounter, 7880 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 11822 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 14:08:30,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3787 Valid, 11822 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:08:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11612 states. [2021-11-19 14:08:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11612 to 11612. [2021-11-19 14:08:31,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11612 states, 7511 states have (on average 1.207162827852483) internal successors, (9067), 7717 states have internal predecessors, (9067), 3202 states have call successors, (3202), 893 states have call predecessors, (3202), 891 states have return successors, (3210), 3149 states have call predecessors, (3210), 3200 states have call successors, (3210) [2021-11-19 14:08:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11612 states to 11612 states and 15479 transitions. [2021-11-19 14:08:31,928 INFO L78 Accepts]: Start accepts. Automaton has 11612 states and 15479 transitions. Word has length 174 [2021-11-19 14:08:31,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:31,928 INFO L470 AbstractCegarLoop]: Abstraction has 11612 states and 15479 transitions. [2021-11-19 14:08:31,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 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 14:08:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 11612 states and 15479 transitions. [2021-11-19 14:08:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-19 14:08:31,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:31,930 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] [2021-11-19 14:08:31,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-19 14:08:32,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:32,131 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:32,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:32,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1103231586, now seen corresponding path program 1 times [2021-11-19 14:08:32,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:32,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660651702] [2021-11-19 14:08:32,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:32,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:32,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:32,135 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:32,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-19 14:08:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:08:34,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 2712 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:08:34,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:36,155 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 14:08:36,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:36,953 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 14:08:36,953 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:36,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660651702] [2021-11-19 14:08:36,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660651702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:36,953 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:36,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:08:36,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543697699] [2021-11-19 14:08:36,954 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:36,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:08:36,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:36,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:08:36,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:08:36,955 INFO L87 Difference]: Start difference. First operand 11612 states and 15479 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 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 14:08:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:38,145 INFO L93 Difference]: Finished difference Result 11612 states and 15479 transitions. [2021-11-19 14:08:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:08:38,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 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 180 [2021-11-19 14:08:38,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:38,181 INFO L225 Difference]: With dead ends: 11612 [2021-11-19 14:08:38,181 INFO L226 Difference]: Without dead ends: 11440 [2021-11-19 14:08:38,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 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 14:08:38,189 INFO L933 BasicCegarLoop]: 3941 mSDtfsCounter, 3776 mSDsluCounter, 7882 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3776 SdHoareTripleChecker+Valid, 11823 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 14:08:38,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3776 Valid, 11823 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:08:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11440 states. [2021-11-19 14:08:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11440 to 11440. [2021-11-19 14:08:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11440 states, 7406 states have (on average 1.209424790710235) internal successors, (8957), 7609 states have internal predecessors, (8957), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3105 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-19 14:08:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11440 states to 11440 states and 15277 transitions. [2021-11-19 14:08:39,580 INFO L78 Accepts]: Start accepts. Automaton has 11440 states and 15277 transitions. Word has length 180 [2021-11-19 14:08:39,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:39,580 INFO L470 AbstractCegarLoop]: Abstraction has 11440 states and 15277 transitions. [2021-11-19 14:08:39,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 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 14:08:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11440 states and 15277 transitions. [2021-11-19 14:08:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-19 14:08:39,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:39,582 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 14:08:39,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-11-19 14:08:39,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:39,783 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:39,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:39,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1952048266, now seen corresponding path program 1 times [2021-11-19 14:08:39,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:39,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104613881] [2021-11-19 14:08:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:39,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:39,788 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:39,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-19 14:08:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:08:42,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:08:42,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 14:08:43,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-19 14:08:44,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:44,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104613881] [2021-11-19 14:08:44,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104613881] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:44,374 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:44,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-19 14:08:44,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373702491] [2021-11-19 14:08:44,374 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:44,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:08:44,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:44,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:08:44,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:08:44,375 INFO L87 Difference]: Start difference. First operand 11440 states and 15277 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 14:08:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:46,788 INFO L93 Difference]: Finished difference Result 25244 states and 34070 transitions. [2021-11-19 14:08:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:08:46,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 225 [2021-11-19 14:08:46,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:46,854 INFO L225 Difference]: With dead ends: 25244 [2021-11-19 14:08:46,854 INFO L226 Difference]: Without dead ends: 13823 [2021-11-19 14:08:46,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:08:46,891 INFO L933 BasicCegarLoop]: 4999 mSDtfsCounter, 757 mSDsluCounter, 19003 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 24002 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:08:46,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [995 Valid, 24002 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:08:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2021-11-19 14:08:48,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 11444. [2021-11-19 14:08:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 7410 states have (on average 1.2093117408906882) internal successors, (8961), 7611 states have internal predecessors, (8961), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-19 14:08:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 15281 transitions. [2021-11-19 14:08:48,354 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 15281 transitions. Word has length 225 [2021-11-19 14:08:48,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:48,355 INFO L470 AbstractCegarLoop]: Abstraction has 11444 states and 15281 transitions. [2021-11-19 14:08:48,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 14:08:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 15281 transitions. [2021-11-19 14:08:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-19 14:08:48,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:48,359 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 14:08:48,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-19 14:08:48,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:48,582 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1344402117, now seen corresponding path program 1 times [2021-11-19 14:08:48,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:48,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350874476] [2021-11-19 14:08:48,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:48,586 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:48,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:48,587 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:48,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-19 14:08:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:08:51,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:08:51,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:08:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 14:08:52,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:08:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-19 14:08:53,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:08:53,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350874476] [2021-11-19 14:08:53,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350874476] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:08:53,947 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:08:53,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-19 14:08:53,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386549006] [2021-11-19 14:08:53,947 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:08:53,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:08:53,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:08:53,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:08:53,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:08:53,949 INFO L87 Difference]: Start difference. First operand 11444 states and 15281 transitions. Second operand has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-19 14:08:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:08:57,719 INFO L93 Difference]: Finished difference Result 25248 states and 34072 transitions. [2021-11-19 14:08:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:08:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) Word has length 228 [2021-11-19 14:08:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:08:57,761 INFO L225 Difference]: With dead ends: 25248 [2021-11-19 14:08:57,761 INFO L226 Difference]: Without dead ends: 13823 [2021-11-19 14:08:57,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:08:57,790 INFO L933 BasicCegarLoop]: 4222 mSDtfsCounter, 752 mSDsluCounter, 20657 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 24879 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:08:57,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [989 Valid, 24879 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 60 Unchecked, 1.5s Time] [2021-11-19 14:08:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2021-11-19 14:08:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 11444. [2021-11-19 14:08:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 7410 states have (on average 1.2090418353576249) internal successors, (8959), 7611 states have internal predecessors, (8959), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-19 14:08:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 15279 transitions. [2021-11-19 14:08:59,264 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 15279 transitions. Word has length 228 [2021-11-19 14:08:59,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:08:59,264 INFO L470 AbstractCegarLoop]: Abstraction has 11444 states and 15279 transitions. [2021-11-19 14:08:59,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 20.166666666666668) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (45), 3 states have call predecessors, (45), 4 states have call successors, (45) [2021-11-19 14:08:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 15279 transitions. [2021-11-19 14:08:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-19 14:08:59,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:08:59,268 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 14:08:59,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2021-11-19 14:08:59,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:08:59,494 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:08:59,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:08:59,495 INFO L85 PathProgramCache]: Analyzing trace with hash 37259719, now seen corresponding path program 1 times [2021-11-19 14:08:59,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:08:59,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274033003] [2021-11-19 14:08:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:08:59,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:08:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:08:59,499 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:08:59,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-19 14:09:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:09:02,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 14:09:02,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:09:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 14:09:03,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:09:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-19 14:09:04,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:09:04,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274033003] [2021-11-19 14:09:04,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274033003] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:09:04,304 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:09:04,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 14:09:04,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284855304] [2021-11-19 14:09:04,305 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:09:04,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:09:04,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:09:04,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:09:04,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:09:04,306 INFO L87 Difference]: Start difference. First operand 11444 states and 15279 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 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 14:09:06,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:09:09,750 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 14:09:11,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:09:11,802 INFO L93 Difference]: Finished difference Result 24241 states and 32529 transitions. [2021-11-19 14:09:11,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:09:11,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 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 228 [2021-11-19 14:09:11,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:09:11,846 INFO L225 Difference]: With dead ends: 24241 [2021-11-19 14:09:11,846 INFO L226 Difference]: Without dead ends: 12816 [2021-11-19 14:09:11,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:09:11,877 INFO L933 BasicCegarLoop]: 4289 mSDtfsCounter, 1563 mSDsluCounter, 20786 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 486 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 25075 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:09:11,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1631 Valid, 25075 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-19 14:09:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12816 states. [2021-11-19 14:09:13,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12816 to 11450. [2021-11-19 14:09:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11450 states, 7416 states have (on average 1.2088727076591155) internal successors, (8965), 7617 states have internal predecessors, (8965), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 871 states have return successors, (3164), 3107 states have call predecessors, (3164), 3154 states have call successors, (3164) [2021-11-19 14:09:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11450 states to 11450 states and 15285 transitions. [2021-11-19 14:09:13,290 INFO L78 Accepts]: Start accepts. Automaton has 11450 states and 15285 transitions. Word has length 228 [2021-11-19 14:09:13,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:09:13,291 INFO L470 AbstractCegarLoop]: Abstraction has 11450 states and 15285 transitions. [2021-11-19 14:09:13,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 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 14:09:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11450 states and 15285 transitions. [2021-11-19 14:09:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-19 14:09:13,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:09:13,294 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-19 14:09:13,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-19 14:09:13,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:09:13,495 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:09:13,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:09:13,495 INFO L85 PathProgramCache]: Analyzing trace with hash 575157884, now seen corresponding path program 1 times [2021-11-19 14:09:13,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:09:13,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253019606] [2021-11-19 14:09:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:09:13,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:09:13,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:09:13,499 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:09:13,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2021-11-19 14:09:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:09:16,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 3170 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 14:09:16,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:09:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-11-19 14:09:17,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:09:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-19 14:09:19,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:09:19,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253019606] [2021-11-19 14:09:19,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253019606] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:09:19,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:09:19,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2021-11-19 14:09:19,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463327602] [2021-11-19 14:09:19,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:09:19,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:09:19,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:09:19,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:09:19,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:09:19,236 INFO L87 Difference]: Start difference. First operand 11450 states and 15285 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 14:09:21,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:09:21,387 INFO L93 Difference]: Finished difference Result 23447 states and 31369 transitions. [2021-11-19 14:09:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:09:21,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 249 [2021-11-19 14:09:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:09:21,440 INFO L225 Difference]: With dead ends: 23447 [2021-11-19 14:09:21,440 INFO L226 Difference]: Without dead ends: 12016 [2021-11-19 14:09:21,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-19 14:09:21,471 INFO L933 BasicCegarLoop]: 4173 mSDtfsCounter, 229 mSDsluCounter, 16376 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 20549 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:09:21,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 20549 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:09:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2021-11-19 14:09:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 11460. [2021-11-19 14:09:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11460 states, 7424 states have (on average 1.2086476293103448) internal successors, (8973), 7625 states have internal predecessors, (8973), 3156 states have call successors, (3156), 873 states have call predecessors, (3156), 873 states have return successors, (3170), 3109 states have call predecessors, (3170), 3154 states have call successors, (3170) [2021-11-19 14:09:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11460 states to 11460 states and 15299 transitions. [2021-11-19 14:09:22,929 INFO L78 Accepts]: Start accepts. Automaton has 11460 states and 15299 transitions. Word has length 249 [2021-11-19 14:09:22,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:09:22,930 INFO L470 AbstractCegarLoop]: Abstraction has 11460 states and 15299 transitions. [2021-11-19 14:09:22,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-19 14:09:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 11460 states and 15299 transitions. [2021-11-19 14:09:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-19 14:09:22,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:09:22,933 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:09:22,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2021-11-19 14:09:23,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:09:23,134 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-19 14:09:23,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:09:23,134 INFO L85 PathProgramCache]: Analyzing trace with hash -84316678, now seen corresponding path program 1 times [2021-11-19 14:09:23,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:09:23,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605465560] [2021-11-19 14:09:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:09:23,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:09:23,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:09:23,139 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:09:23,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_947880d6-d218-423c-b154-a96c1450a685/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process