./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--smsc--smc91c92_cs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:40:59,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:40:59,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:40:59,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:40:59,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:40:59,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:40:59,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:40:59,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:40:59,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:40:59,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:40:59,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:40:59,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:40:59,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:40:59,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:40:59,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:40:59,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:40:59,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:40:59,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:40:59,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:40:59,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:40:59,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:40:59,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:40:59,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:40:59,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:40:59,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:40:59,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:40:59,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:40:59,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:40:59,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:40:59,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:40:59,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:40:59,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:40:59,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:40:59,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:40:59,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:40:59,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:40:59,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:40:59,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:40:59,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:40:59,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:40:59,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:40:59,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:40:59,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:40:59,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:40:59,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:40:59,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:40:59,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:40:59,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:40:59,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:40:59,724 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:40:59,724 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:40:59,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:40:59,725 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:40:59,725 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:40:59,725 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:40:59,725 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:40:59,726 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:40:59,726 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:40:59,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:40:59,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:40:59,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:40:59,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:40:59,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:40:59,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:40:59,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:40:59,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:40:59,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:40:59,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:40:59,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:40:59,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:40:59,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:59,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:40:59,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:40:59,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:40:59,731 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_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 [2021-11-13 02:40:59,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:40:59,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:40:59,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:40:59,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:40:59,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:40:59,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-13 02:41:00,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/2d754badf/5e16bd287230455fafb33e0a4a29a02b/FLAGa97f79794 [2021-11-13 02:41:01,139 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:41:01,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-13 02:41:01,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/2d754badf/5e16bd287230455fafb33e0a4a29a02b/FLAGa97f79794 [2021-11-13 02:41:01,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/2d754badf/5e16bd287230455fafb33e0a4a29a02b [2021-11-13 02:41:01,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:41:01,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:41:01,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:01,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:41:01,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:41:01,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:01" (1/1) ... [2021-11-13 02:41:01,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5fac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:01, skipping insertion in model container [2021-11-13 02:41:01,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:01" (1/1) ... [2021-11-13 02:41:01,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:41:01,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:04,222 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:04,224 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:41:06,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-13 02:41:06,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-13 02:41:06,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-13 02:41:06,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-13 02:41:06,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-13 02:41:06,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-13 02:41:06,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-13 02:41:06,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-13 02:41:06,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-13 02:41:06,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-13 02:41:06,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-13 02:41:06,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-13 02:41:06,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-13 02:41:06,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-13 02:41:06,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-13 02:41:06,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-13 02:41:06,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-13 02:41:06,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-13 02:41:06,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-13 02:41:06,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-13 02:41:06,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-13 02:41:06,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-13 02:41:06,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-13 02:41:06,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-13 02:41:06,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-13 02:41:06,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-13 02:41:06,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-13 02:41:06,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-13 02:41:06,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-13 02:41:06,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-13 02:41:06,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-13 02:41:06,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-13 02:41:06,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-13 02:41:06,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-13 02:41:06,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-13 02:41:06,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-13 02:41:06,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-13 02:41:06,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-13 02:41:06,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-13 02:41:06,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-13 02:41:06,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-13 02:41:06,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-13 02:41:06,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-13 02:41:06,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-13 02:41:06,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-13 02:41:06,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-13 02:41:06,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-13 02:41:06,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-13 02:41:06,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-13 02:41:06,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-13 02:41:06,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-13 02:41:06,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-13 02:41:06,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-13 02:41:06,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-13 02:41:06,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-13 02:41:06,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-13 02:41:06,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-13 02:41:06,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-13 02:41:06,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-13 02:41:06,490 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-13 02:41:06,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-13 02:41:06,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-13 02:41:06,493 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-13 02:41:06,494 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-13 02:41:06,495 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-13 02:41:06,495 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-13 02:41:06,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-13 02:41:06,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-13 02:41:06,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-13 02:41:06,497 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-13 02:41:06,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-13 02:41:06,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-13 02:41:06,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-13 02:41:06,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-13 02:41:06,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-13 02:41:06,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-13 02:41:06,502 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-13 02:41:06,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-13 02:41:06,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-13 02:41:06,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-13 02:41:06,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-13 02:41:06,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-13 02:41:06,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-13 02:41:06,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-13 02:41:06,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-13 02:41:06,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-13 02:41:06,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-13 02:41:06,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-13 02:41:06,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:06,619 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) [2021-11-13 02:41:06,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d8a6276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:06, skipping insertion in model container [2021-11-13 02:41:06,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:06,621 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:41:06,630 INFO L158 Benchmark]: Toolchain (without parser) took 5150.48ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 78.7MB in the beginning and 94.0MB in the end (delta: -15.3MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2021-11-13 02:41:06,631 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:41:06,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5147.16ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 78.7MB in the beginning and 94.0MB in the end (delta: -15.3MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2021-11-13 02:41:06,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 40.3MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5147.16ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 78.7MB in the beginning and 94.0MB in the end (delta: -15.3MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7333]: 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_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:41:09,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:41:09,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:41:09,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:41:09,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:41:09,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:41:09,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:41:09,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:41:09,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:41:09,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:41:09,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:41:09,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:41:09,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:41:09,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:41:09,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:41:09,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:41:09,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:41:09,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:41:09,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:41:09,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:41:09,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:41:09,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:41:09,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:41:09,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:41:09,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:41:09,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:41:09,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:41:09,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:41:09,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:41:09,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:41:09,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:41:09,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:41:09,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:41:09,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:41:09,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:41:09,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:41:09,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:41:09,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:41:09,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:41:09,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:41:09,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:41:09,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:41:09,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:41:09,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:41:09,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:41:09,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:41:09,326 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:41:09,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:41:09,326 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:41:09,327 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:41:09,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:41:09,327 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:41:09,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:41:09,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:41:09,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:41:09,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:41:09,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:41:09,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:41:09,332 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:41:09,332 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:41:09,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:41:09,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:41:09,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:41:09,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:41:09,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:41:09,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:41:09,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:09,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:41:09,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:41:09,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:41:09,335 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:41:09,336 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:41:09,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:41:09,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:41:09,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:41:09,337 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_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 [2021-11-13 02:41:09,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:41:09,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:41:09,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:41:09,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:41:09,766 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:41:09,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-13 02:41:09,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/4c087882a/1154b17a1ee14e3ab9705d679626bbd6/FLAG6dc695acd [2021-11-13 02:41:10,859 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:41:10,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-13 02:41:10,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/4c087882a/1154b17a1ee14e3ab9705d679626bbd6/FLAG6dc695acd [2021-11-13 02:41:11,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/data/4c087882a/1154b17a1ee14e3ab9705d679626bbd6 [2021-11-13 02:41:11,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:41:11,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:41:11,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:11,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:41:11,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:41:11,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:11" (1/1) ... [2021-11-13 02:41:11,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4be585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:11, skipping insertion in model container [2021-11-13 02:41:11,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:41:11" (1/1) ... [2021-11-13 02:41:11,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:41:11,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:16,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-13 02:41:16,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-13 02:41:16,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-13 02:41:16,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-13 02:41:16,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-13 02:41:16,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-13 02:41:16,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-13 02:41:16,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-13 02:41:16,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-13 02:41:16,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-13 02:41:16,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-13 02:41:16,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-13 02:41:16,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-13 02:41:16,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-13 02:41:16,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-13 02:41:16,281 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-13 02:41:16,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-13 02:41:16,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-13 02:41:16,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-13 02:41:16,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-13 02:41:16,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-13 02:41:16,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-13 02:41:16,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-13 02:41:16,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-13 02:41:16,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-13 02:41:16,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-13 02:41:16,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-13 02:41:16,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-13 02:41:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-13 02:41:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-13 02:41:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-13 02:41:16,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-13 02:41:16,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-13 02:41:16,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-13 02:41:16,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-13 02:41:16,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-13 02:41:16,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-13 02:41:16,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-13 02:41:16,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-13 02:41:16,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-13 02:41:16,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-13 02:41:16,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-13 02:41:16,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-13 02:41:16,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-13 02:41:16,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-13 02:41:16,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-13 02:41:16,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-13 02:41:16,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-13 02:41:16,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-13 02:41:16,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-13 02:41:16,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-13 02:41:16,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-13 02:41:16,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-13 02:41:16,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-13 02:41:16,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-13 02:41:16,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-13 02:41:16,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-13 02:41:16,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-13 02:41:16,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-13 02:41:16,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-13 02:41:16,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-13 02:41:16,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-13 02:41:16,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-13 02:41:16,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-13 02:41:16,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-13 02:41:16,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-13 02:41:16,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-13 02:41:16,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-13 02:41:16,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-13 02:41:16,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-13 02:41:16,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-13 02:41:16,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-13 02:41:16,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-13 02:41:16,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-13 02:41:16,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-13 02:41:16,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-13 02:41:16,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-13 02:41:16,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-13 02:41:16,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-13 02:41:16,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-13 02:41:16,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-13 02:41:16,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-13 02:41:16,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-13 02:41:16,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-13 02:41:16,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-13 02:41:16,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-13 02:41:16,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-13 02:41:16,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-13 02:41:16,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:16,414 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:41:16,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:41:16,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-13 02:41:16,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-13 02:41:16,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-13 02:41:16,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-13 02:41:16,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-13 02:41:16,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-13 02:41:16,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-13 02:41:16,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-13 02:41:16,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-13 02:41:16,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-13 02:41:16,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-13 02:41:16,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-13 02:41:16,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-13 02:41:16,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-13 02:41:16,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-13 02:41:16,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-13 02:41:16,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-13 02:41:16,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-13 02:41:16,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-13 02:41:16,981 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-13 02:41:16,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-13 02:41:16,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-13 02:41:16,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-13 02:41:16,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-13 02:41:16,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-13 02:41:16,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-13 02:41:16,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-13 02:41:16,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-13 02:41:16,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-13 02:41:16,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-13 02:41:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-13 02:41:16,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-13 02:41:16,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-13 02:41:16,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-13 02:41:16,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-13 02:41:16,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-13 02:41:16,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-13 02:41:16,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-13 02:41:16,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-13 02:41:16,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-13 02:41:16,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-13 02:41:16,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-13 02:41:17,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-13 02:41:17,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-13 02:41:17,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-13 02:41:17,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-13 02:41:17,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-13 02:41:17,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-13 02:41:17,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-13 02:41:17,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-13 02:41:17,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-13 02:41:17,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-13 02:41:17,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-13 02:41:17,012 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-13 02:41:17,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-13 02:41:17,015 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-13 02:41:17,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-13 02:41:17,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-13 02:41:17,017 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-13 02:41:17,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-13 02:41:17,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-13 02:41:17,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-13 02:41:17,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-13 02:41:17,025 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-13 02:41:17,026 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-13 02:41:17,027 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-13 02:41:17,028 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-13 02:41:17,028 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-13 02:41:17,029 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-13 02:41:17,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-13 02:41:17,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-13 02:41:17,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-13 02:41:17,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-13 02:41:17,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-13 02:41:17,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-13 02:41:17,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-13 02:41:17,047 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-13 02:41:17,048 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-13 02:41:17,049 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-13 02:41:17,050 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-13 02:41:17,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-13 02:41:17,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-13 02:41:17,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-13 02:41:17,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-13 02:41:17,053 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-13 02:41:17,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-13 02:41:17,054 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-13 02:41:17,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-13 02:41:17,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:17,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:41:17,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-13 02:41:17,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-13 02:41:17,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-13 02:41:17,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-13 02:41:17,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-13 02:41:17,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-13 02:41:17,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-13 02:41:17,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-13 02:41:17,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-13 02:41:17,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-13 02:41:17,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-13 02:41:17,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-13 02:41:17,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-13 02:41:17,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-13 02:41:17,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-13 02:41:17,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-13 02:41:17,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-13 02:41:17,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-13 02:41:17,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-13 02:41:17,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-13 02:41:17,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-13 02:41:17,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-13 02:41:17,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-13 02:41:17,634 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-13 02:41:17,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-13 02:41:17,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-13 02:41:17,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-13 02:41:17,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-13 02:41:17,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-13 02:41:17,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-13 02:41:17,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-13 02:41:17,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-13 02:41:17,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-13 02:41:17,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-13 02:41:17,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-13 02:41:17,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-13 02:41:17,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-13 02:41:17,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-13 02:41:17,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-13 02:41:17,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-13 02:41:17,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-13 02:41:17,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-13 02:41:17,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-13 02:41:17,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-13 02:41:17,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-13 02:41:17,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-13 02:41:17,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-13 02:41:17,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-13 02:41:17,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-13 02:41:17,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-13 02:41:17,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-13 02:41:17,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-13 02:41:17,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-13 02:41:17,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-13 02:41:17,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-13 02:41:17,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-13 02:41:17,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-13 02:41:17,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-13 02:41:17,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-13 02:41:17,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-13 02:41:17,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-13 02:41:17,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-13 02:41:17,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-13 02:41:17,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-13 02:41:17,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-13 02:41:17,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-13 02:41:17,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-13 02:41:17,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-13 02:41:17,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-13 02:41:17,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-13 02:41:17,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-13 02:41:17,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-13 02:41:17,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-13 02:41:17,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-13 02:41:17,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-13 02:41:17,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-13 02:41:17,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-13 02:41:17,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-13 02:41:17,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-13 02:41:17,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-13 02:41:17,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-13 02:41:17,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-13 02:41:17,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-13 02:41:17,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-13 02:41:17,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-13 02:41:17,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-13 02:41:17,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-13 02:41:17,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-13 02:41:17,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:41:18,164 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:41:18,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18 WrapperNode [2021-11-13 02:41:18,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:41:18,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:18,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:41:18,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:41:18,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:41:18,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:41:18,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:41:18,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:41:18,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:41:18,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:41:18,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:41:18,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:41:18,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (1/1) ... [2021-11-13 02:41:18,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:41:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:41:18,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:41:18,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-13 02:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-13 02:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-11-13 02:41:18,921 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-11-13 02:41:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 02:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 02:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-11-13 02:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-11-13 02:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-11-13 02:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-11-13 02:41:18,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:41:18,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_smc_private [2021-11-13 02:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_smc_private [2021-11-13 02:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:41:18,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:41:18,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 02:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 02:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-11-13 02:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-11-13 02:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:41:18,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:41:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-11-13 02:41:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:41:18,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:41:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:41:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 02:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 02:41:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:41:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:41:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:41:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-13 02:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-13 02:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:41:18,927 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-11-13 02:41:18,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-11-13 02:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-13 02:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-13 02:41:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:41:18,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-11-13 02:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-11-13 02:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:41:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:41:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-11-13 02:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-11-13 02:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-13 02:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-13 02:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-13 02:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-13 02:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:41:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:41:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-11-13 02:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-11-13 02:41:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:41:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2021-11-13 02:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2021-11-13 02:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-11-13 02:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-11-13 02:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:41:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:41:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-11-13 02:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-11-13 02:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 02:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 02:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:41:18,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:41:18,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 02:41:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-13 02:41:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-11-13 02:41:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:41:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:41:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-11-13 02:41:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-13 02:41:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-13 02:41:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-13 02:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-13 02:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_smc_private [2021-11-13 02:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_smc_private [2021-11-13 02:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-13 02:41:18,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-13 02:41:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-13 02:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-13 02:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 02:41:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-13 02:41:18,937 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:41:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:41:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:41:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-13 02:41:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-13 02:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-13 02:41:18,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-13 02:41:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-11-13 02:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-11-13 02:41:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:41:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:41:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-13 02:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-13 02:41:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:41:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:41:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 02:41:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 02:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-13 02:41:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-13 02:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 02:41:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 02:41:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-13 02:41:18,940 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-13 02:41:21,305 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:41:59,735 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:41:59,736 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:41:59,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:59 BoogieIcfgContainer [2021-11-13 02:41:59,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:41:59,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:41:59,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:41:59,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:41:59,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:41:11" (1/3) ... [2021-11-13 02:41:59,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b58b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:59, skipping insertion in model container [2021-11-13 02:41:59,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:41:18" (2/3) ... [2021-11-13 02:41:59,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b58b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:41:59, skipping insertion in model container [2021-11-13 02:41:59,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:41:59" (3/3) ... [2021-11-13 02:41:59,751 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-13 02:41:59,757 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:41:59,757 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-13 02:41:59,825 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:41:59,832 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 [2021-11-13 02:41:59,832 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-13 02:41:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 1377 states, 892 states have (on average 1.2724215246636772) internal successors, (1135), 937 states have internal predecessors, (1135), 378 states have call successors, (378), 83 states have call predecessors, (378), 82 states have return successors, (374), 371 states have call predecessors, (374), 374 states have call successors, (374) [2021-11-13 02:41:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 02:41:59,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:41:59,900 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] [2021-11-13 02:41:59,901 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:41:59,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:41:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1675089600, now seen corresponding path program 1 times [2021-11-13 02:41:59,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:41:59,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690262076] [2021-11-13 02:41:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:41:59,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:41:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:41:59,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:41:59,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:42:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:06,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2589 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:06,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:07,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:07,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:07,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690262076] [2021-11-13 02:42:07,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690262076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:07,494 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:07,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:07,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621568924] [2021-11-13 02:42:07,497 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:07,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:07,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:07,543 INFO L87 Difference]: Start difference. First operand has 1377 states, 892 states have (on average 1.2724215246636772) internal successors, (1135), 937 states have internal predecessors, (1135), 378 states have call successors, (378), 83 states have call predecessors, (378), 82 states have return successors, (374), 371 states have call predecessors, (374), 374 states have call successors, (374) 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) [2021-11-13 02:42:08,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:08,011 INFO L93 Difference]: Finished difference Result 4077 states and 5737 transitions. [2021-11-13 02:42:08,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:42:08,014 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 [2021-11-13 02:42:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:08,057 INFO L225 Difference]: With dead ends: 4077 [2021-11-13 02:42:08,057 INFO L226 Difference]: Without dead ends: 2701 [2021-11-13 02:42:08,073 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 [2021-11-13 02:42:08,076 INFO L933 BasicCegarLoop]: 2262 mSDtfsCounter, 1810 mSDsluCounter, 4092 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.77ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:08,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1812 Valid, 6354 Invalid, 16 Unknown, 0 Unchecked, 50.77ms Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 86.80ms Time] [2021-11-13 02:42:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2021-11-13 02:42:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2520. [2021-11-13 02:42:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1649 states have (on average 1.2468162522741055) internal successors, (2056), 1711 states have internal predecessors, (2056), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3463 transitions. [2021-11-13 02:42:08,412 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3463 transitions. Word has length 64 [2021-11-13 02:42:08,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:08,413 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3463 transitions. [2021-11-13 02:42:08,413 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) [2021-11-13 02:42:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3463 transitions. [2021-11-13 02:42:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 02:42:08,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:08,419 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] [2021-11-13 02:42:08,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:08,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:08,642 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:08,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:08,643 INFO L85 PathProgramCache]: Analyzing trace with hash 947572292, now seen corresponding path program 1 times [2021-11-13 02:42:08,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:08,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468125786] [2021-11-13 02:42:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:08,658 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:08,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:08,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:08,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:42:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:15,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 2598 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:15,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:15,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:16,240 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:16,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468125786] [2021-11-13 02:42:16,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468125786] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:16,241 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:16,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:16,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865822704] [2021-11-13 02:42:16,241 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:16,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:16,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:16,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:16,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:16,247 INFO L87 Difference]: Start difference. First operand 2520 states and 3463 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) [2021-11-13 02:42:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:16,464 INFO L93 Difference]: Finished difference Result 2520 states and 3463 transitions. [2021-11-13 02:42:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:16,465 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 [2021-11-13 02:42:16,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:16,489 INFO L225 Difference]: With dead ends: 2520 [2021-11-13 02:42:16,489 INFO L226 Difference]: Without dead ends: 2518 [2021-11-13 02:42:16,491 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 [2021-11-13 02:42:16,492 INFO L933 BasicCegarLoop]: 1840 mSDtfsCounter, 1790 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.08ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:16,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1792 Valid, 3678 Invalid, 2 Unknown, 0 Unchecked, 16.76ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.08ms Time] [2021-11-13 02:42:16,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-13 02:42:16,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2021-11-13 02:42:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1648 states have (on average 1.2463592233009708) internal successors, (2054), 1709 states have internal predecessors, (2054), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3461 transitions. [2021-11-13 02:42:16,727 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3461 transitions. Word has length 70 [2021-11-13 02:42:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:16,728 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3461 transitions. [2021-11-13 02:42:16,729 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) [2021-11-13 02:42:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3461 transitions. [2021-11-13 02:42:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 02:42:16,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:16,732 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] [2021-11-13 02:42:16,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:16,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:16,946 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1909989131, now seen corresponding path program 1 times [2021-11-13 02:42:16,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:16,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065804275] [2021-11-13 02:42:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:16,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:16,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:16,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:42:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:23,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:23,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:23,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:24,188 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:24,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065804275] [2021-11-13 02:42:24,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065804275] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:24,189 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:24,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:24,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695414592] [2021-11-13 02:42:24,189 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:24,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:24,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:24,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:24,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:24,191 INFO L87 Difference]: Start difference. First operand 2518 states and 3461 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) [2021-11-13 02:42:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:24,402 INFO L93 Difference]: Finished difference Result 2518 states and 3461 transitions. [2021-11-13 02:42:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:24,403 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 [2021-11-13 02:42:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:24,428 INFO L225 Difference]: With dead ends: 2518 [2021-11-13 02:42:24,429 INFO L226 Difference]: Without dead ends: 2516 [2021-11-13 02:42:24,431 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 [2021-11-13 02:42:24,434 INFO L933 BasicCegarLoop]: 1838 mSDtfsCounter, 1779 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 5510 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.46ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:24,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1781 Valid, 5510 Invalid, 2 Unknown, 0 Unchecked, 18.11ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.46ms Time] [2021-11-13 02:42:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-13 02:42:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2021-11-13 02:42:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1647 states have (on average 1.2459016393442623) internal successors, (2052), 1707 states have internal predecessors, (2052), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3459 transitions. [2021-11-13 02:42:24,639 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3459 transitions. Word has length 76 [2021-11-13 02:42:24,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:24,641 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3459 transitions. [2021-11-13 02:42:24,641 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) [2021-11-13 02:42:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3459 transitions. [2021-11-13 02:42:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 02:42:24,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:24,649 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] [2021-11-13 02:42:24,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:24,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:24,870 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:24,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:24,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1644696623, now seen corresponding path program 1 times [2021-11-13 02:42:24,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:24,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601378513] [2021-11-13 02:42:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:24,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:24,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:24,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:42:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:30,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:30,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:31,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:31,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:31,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601378513] [2021-11-13 02:42:31,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601378513] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:31,890 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:31,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:31,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847386906] [2021-11-13 02:42:31,890 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:31,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:31,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:31,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:31,892 INFO L87 Difference]: Start difference. First operand 2516 states and 3459 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) [2021-11-13 02:42:32,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:32,109 INFO L93 Difference]: Finished difference Result 2516 states and 3459 transitions. [2021-11-13 02:42:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:32,110 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 [2021-11-13 02:42:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:32,137 INFO L225 Difference]: With dead ends: 2516 [2021-11-13 02:42:32,137 INFO L226 Difference]: Without dead ends: 2514 [2021-11-13 02:42:32,139 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 [2021-11-13 02:42:32,142 INFO L933 BasicCegarLoop]: 1836 mSDtfsCounter, 1771 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 5504 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.24ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:32,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1773 Valid, 5504 Invalid, 2 Unknown, 0 Unchecked, 17.30ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.24ms Time] [2021-11-13 02:42:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2021-11-13 02:42:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2021-11-13 02:42:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1646 states have (on average 1.2454434993924666) internal successors, (2050), 1705 states have internal predecessors, (2050), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3457 transitions. [2021-11-13 02:42:32,393 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3457 transitions. Word has length 82 [2021-11-13 02:42:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:32,394 INFO L470 AbstractCegarLoop]: Abstraction has 2514 states and 3457 transitions. [2021-11-13 02:42:32,394 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) [2021-11-13 02:42:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3457 transitions. [2021-11-13 02:42:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 02:42:32,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:32,396 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] [2021-11-13 02:42:32,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:32,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:32,622 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:32,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:32,622 INFO L85 PathProgramCache]: Analyzing trace with hash 441224881, now seen corresponding path program 1 times [2021-11-13 02:42:32,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:32,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214538961] [2021-11-13 02:42:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:32,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:32,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:32,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:32,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:42:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:38,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2625 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:38,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:39,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:39,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:39,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214538961] [2021-11-13 02:42:39,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214538961] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:39,582 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:39,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:39,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118523008] [2021-11-13 02:42:39,582 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:39,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:39,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:39,584 INFO L87 Difference]: Start difference. First operand 2514 states and 3457 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) [2021-11-13 02:42:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:39,779 INFO L93 Difference]: Finished difference Result 2514 states and 3457 transitions. [2021-11-13 02:42:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:39,780 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 [2021-11-13 02:42:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:39,804 INFO L225 Difference]: With dead ends: 2514 [2021-11-13 02:42:39,805 INFO L226 Difference]: Without dead ends: 2512 [2021-11-13 02:42:39,808 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 [2021-11-13 02:42:39,809 INFO L933 BasicCegarLoop]: 1834 mSDtfsCounter, 1766 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.22ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.73ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:39,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1768 Valid, 3666 Invalid, 2 Unknown, 0 Unchecked, 13.22ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.73ms Time] [2021-11-13 02:42:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2021-11-13 02:42:39,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2021-11-13 02:42:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1645 states have (on average 1.244984802431611) internal successors, (2048), 1703 states have internal predecessors, (2048), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3455 transitions. [2021-11-13 02:42:40,020 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3455 transitions. Word has length 88 [2021-11-13 02:42:40,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:40,021 INFO L470 AbstractCegarLoop]: Abstraction has 2512 states and 3455 transitions. [2021-11-13 02:42:40,022 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) [2021-11-13 02:42:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3455 transitions. [2021-11-13 02:42:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 02:42:40,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:40,031 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] [2021-11-13 02:42:40,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:40,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:40,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash 361325165, now seen corresponding path program 1 times [2021-11-13 02:42:40,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:40,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430284721] [2021-11-13 02:42:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:40,261 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:40,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:40,263 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:42:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:46,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:46,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:46,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:47,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:47,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430284721] [2021-11-13 02:42:47,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430284721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:47,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:47,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:47,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85014942] [2021-11-13 02:42:47,258 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:47,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:47,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:47,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:47,260 INFO L87 Difference]: Start difference. First operand 2512 states and 3455 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) [2021-11-13 02:42:47,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:47,476 INFO L93 Difference]: Finished difference Result 2512 states and 3455 transitions. [2021-11-13 02:42:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:47,477 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 [2021-11-13 02:42:47,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:47,503 INFO L225 Difference]: With dead ends: 2512 [2021-11-13 02:42:47,503 INFO L226 Difference]: Without dead ends: 2510 [2021-11-13 02:42:47,505 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 [2021-11-13 02:42:47,507 INFO L933 BasicCegarLoop]: 1832 mSDtfsCounter, 1755 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 5492 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.20ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:47,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1757 Valid, 5492 Invalid, 2 Unknown, 0 Unchecked, 23.62ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.20ms Time] [2021-11-13 02:42:47,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2021-11-13 02:42:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2021-11-13 02:42:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 1644 states have (on average 1.2445255474452555) internal successors, (2046), 1701 states have internal predecessors, (2046), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3453 transitions. [2021-11-13 02:42:47,736 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3453 transitions. Word has length 94 [2021-11-13 02:42:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:47,737 INFO L470 AbstractCegarLoop]: Abstraction has 2510 states and 3453 transitions. [2021-11-13 02:42:47,738 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) [2021-11-13 02:42:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3453 transitions. [2021-11-13 02:42:47,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 02:42:47,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:47,742 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] [2021-11-13 02:42:47,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:42:47,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:47,958 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:47,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2112623569, now seen corresponding path program 1 times [2021-11-13 02:42:47,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:47,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814105809] [2021-11-13 02:42:47,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:47,963 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:47,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:47,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:48,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:42:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:42:53,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:42:53,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:42:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:54,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:42:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:42:54,874 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:42:54,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814105809] [2021-11-13 02:42:54,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814105809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:42:54,875 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:42:54,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:42:54,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723024812] [2021-11-13 02:42:54,875 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:42:54,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:42:54,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:42:54,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:42:54,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:42:54,876 INFO L87 Difference]: Start difference. First operand 2510 states and 3453 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) [2021-11-13 02:42:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:42:55,091 INFO L93 Difference]: Finished difference Result 2510 states and 3453 transitions. [2021-11-13 02:42:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:42:55,092 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 [2021-11-13 02:42:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:42:55,114 INFO L225 Difference]: With dead ends: 2510 [2021-11-13 02:42:55,114 INFO L226 Difference]: Without dead ends: 2508 [2021-11-13 02:42:55,116 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 [2021-11-13 02:42:55,118 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 1747 mSDsluCounter, 3656 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:42:55,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1749 Valid, 5486 Invalid, 2 Unknown, 0 Unchecked, 16.60ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.54ms Time] [2021-11-13 02:42:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2021-11-13 02:42:55,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2021-11-13 02:42:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 1643 states have (on average 1.2440657334144858) internal successors, (2044), 1699 states have internal predecessors, (2044), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:42:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3451 transitions. [2021-11-13 02:42:55,350 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3451 transitions. Word has length 100 [2021-11-13 02:42:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:42:55,351 INFO L470 AbstractCegarLoop]: Abstraction has 2508 states and 3451 transitions. [2021-11-13 02:42:55,351 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) [2021-11-13 02:42:55,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3451 transitions. [2021-11-13 02:42:55,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 02:42:55,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:55,354 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] [2021-11-13 02:42:55,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-13 02:42:55,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:42:55,572 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:42:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:55,573 INFO L85 PathProgramCache]: Analyzing trace with hash 37317669, now seen corresponding path program 1 times [2021-11-13 02:42:55,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:55,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855929032] [2021-11-13 02:42:55,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:55,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:55,578 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:55,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:43:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:01,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 2652 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:01,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:02,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:02,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:02,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855929032] [2021-11-13 02:43:02,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855929032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:02,543 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:02,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:02,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092612600] [2021-11-13 02:43:02,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:02,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:02,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:02,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:02,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:02,545 INFO L87 Difference]: Start difference. First operand 2508 states and 3451 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) [2021-11-13 02:43:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:02,757 INFO L93 Difference]: Finished difference Result 2508 states and 3451 transitions. [2021-11-13 02:43:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:02,758 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 [2021-11-13 02:43:02,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:02,778 INFO L225 Difference]: With dead ends: 2508 [2021-11-13 02:43:02,779 INFO L226 Difference]: Without dead ends: 2506 [2021-11-13 02:43:02,781 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 [2021-11-13 02:43:02,781 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1750 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.51ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:02,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1752 Valid, 3650 Invalid, 2 Unknown, 0 Unchecked, 11.59ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.51ms Time] [2021-11-13 02:43:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-11-13 02:43:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2021-11-13 02:43:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 1642 states have (on average 1.243605359317905) internal successors, (2042), 1697 states have internal predecessors, (2042), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3449 transitions. [2021-11-13 02:43:02,999 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3449 transitions. Word has length 106 [2021-11-13 02:43:03,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:03,000 INFO L470 AbstractCegarLoop]: Abstraction has 2506 states and 3449 transitions. [2021-11-13 02:43:03,000 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) [2021-11-13 02:43:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3449 transitions. [2021-11-13 02:43:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 02:43:03,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:03,003 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] [2021-11-13 02:43:03,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:03,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:03,230 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:03,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1502678216, now seen corresponding path program 1 times [2021-11-13 02:43:03,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:03,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831977312] [2021-11-13 02:43:03,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:03,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:03,236 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:03,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 02:43:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:09,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 2655 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:10,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:10,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:10,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831977312] [2021-11-13 02:43:10,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831977312] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:10,508 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:10,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:10,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159602893] [2021-11-13 02:43:10,508 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:10,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:10,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:10,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:10,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:10,510 INFO L87 Difference]: Start difference. First operand 2506 states and 3449 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) [2021-11-13 02:43:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:10,731 INFO L93 Difference]: Finished difference Result 2506 states and 3449 transitions. [2021-11-13 02:43:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:10,732 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 [2021-11-13 02:43:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:10,753 INFO L225 Difference]: With dead ends: 2506 [2021-11-13 02:43:10,754 INFO L226 Difference]: Without dead ends: 2504 [2021-11-13 02:43:10,756 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 [2021-11-13 02:43:10,758 INFO L933 BasicCegarLoop]: 1826 mSDtfsCounter, 1735 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.90ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:10,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 5474 Invalid, 2 Unknown, 0 Unchecked, 13.86ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.90ms Time] [2021-11-13 02:43:10,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2021-11-13 02:43:10,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2504. [2021-11-13 02:43:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 1641 states have (on average 1.243144424131627) internal successors, (2040), 1695 states have internal predecessors, (2040), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3447 transitions. [2021-11-13 02:43:10,996 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3447 transitions. Word has length 108 [2021-11-13 02:43:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:10,996 INFO L470 AbstractCegarLoop]: Abstraction has 2504 states and 3447 transitions. [2021-11-13 02:43:10,996 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) [2021-11-13 02:43:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3447 transitions. [2021-11-13 02:43:11,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 02:43:11,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:11,000 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] [2021-11-13 02:43:11,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:11,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:11,214 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:11,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:11,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1506791585, now seen corresponding path program 1 times [2021-11-13 02:43:11,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:11,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288116792] [2021-11-13 02:43:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:11,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:11,223 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:11,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 02:43:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:17,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:17,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:18,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:18,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:18,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288116792] [2021-11-13 02:43:18,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288116792] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:18,643 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:18,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:18,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951652829] [2021-11-13 02:43:18,644 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:18,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:18,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:18,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:18,646 INFO L87 Difference]: Start difference. First operand 2504 states and 3447 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) [2021-11-13 02:43:18,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:18,897 INFO L93 Difference]: Finished difference Result 2504 states and 3447 transitions. [2021-11-13 02:43:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:18,897 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 [2021-11-13 02:43:18,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:18,932 INFO L225 Difference]: With dead ends: 2504 [2021-11-13 02:43:18,932 INFO L226 Difference]: Without dead ends: 2502 [2021-11-13 02:43:18,934 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 [2021-11-13 02:43:18,935 INFO L933 BasicCegarLoop]: 1824 mSDtfsCounter, 1730 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.16ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:18,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 3646 Invalid, 2 Unknown, 0 Unchecked, 10.15ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.16ms Time] [2021-11-13 02:43:18,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-11-13 02:43:19,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-11-13 02:43:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 1640 states have (on average 1.2426829268292683) internal successors, (2038), 1693 states have internal predecessors, (2038), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3445 transitions. [2021-11-13 02:43:19,188 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3445 transitions. Word has length 114 [2021-11-13 02:43:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:19,188 INFO L470 AbstractCegarLoop]: Abstraction has 2502 states and 3445 transitions. [2021-11-13 02:43:19,189 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) [2021-11-13 02:43:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3445 transitions. [2021-11-13 02:43:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 02:43:19,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:19,192 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] [2021-11-13 02:43:19,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:19,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:19,405 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:19,405 INFO L85 PathProgramCache]: Analyzing trace with hash 888863862, now seen corresponding path program 1 times [2021-11-13 02:43:19,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:19,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089269845] [2021-11-13 02:43:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:19,413 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:19,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:19,415 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:19,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 02:43:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:25,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2673 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:25,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:26,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:26,809 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:26,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089269845] [2021-11-13 02:43:26,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089269845] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:26,809 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:26,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:26,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195774565] [2021-11-13 02:43:26,810 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:26,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:26,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:26,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:26,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:26,812 INFO L87 Difference]: Start difference. First operand 2502 states and 3445 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) [2021-11-13 02:43:27,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:27,055 INFO L93 Difference]: Finished difference Result 2502 states and 3445 transitions. [2021-11-13 02:43:27,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:27,056 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 [2021-11-13 02:43:27,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:27,076 INFO L225 Difference]: With dead ends: 2502 [2021-11-13 02:43:27,076 INFO L226 Difference]: Without dead ends: 2500 [2021-11-13 02:43:27,079 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 [2021-11-13 02:43:27,080 INFO L933 BasicCegarLoop]: 1822 mSDtfsCounter, 1722 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.21ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:27,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1724 Valid, 3642 Invalid, 2 Unknown, 0 Unchecked, 9.98ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.21ms Time] [2021-11-13 02:43:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2021-11-13 02:43:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2500. [2021-11-13 02:43:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 1639 states have (on average 1.2422208663819403) internal successors, (2036), 1691 states have internal predecessors, (2036), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3443 transitions. [2021-11-13 02:43:27,340 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3443 transitions. Word has length 120 [2021-11-13 02:43:27,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:27,343 INFO L470 AbstractCegarLoop]: Abstraction has 2500 states and 3443 transitions. [2021-11-13 02:43:27,343 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) [2021-11-13 02:43:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3443 transitions. [2021-11-13 02:43:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 02:43:27,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:27,347 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] [2021-11-13 02:43:27,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:27,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:27,562 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1940713855, now seen corresponding path program 1 times [2021-11-13 02:43:27,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:27,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777741083] [2021-11-13 02:43:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:27,567 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:27,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:27,568 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:27,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 02:43:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:33,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:33,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:34,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:35,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:35,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777741083] [2021-11-13 02:43:35,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777741083] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:35,138 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:35,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:35,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419166226] [2021-11-13 02:43:35,139 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:35,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:35,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:35,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:35,141 INFO L87 Difference]: Start difference. First operand 2500 states and 3443 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) [2021-11-13 02:43:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:35,409 INFO L93 Difference]: Finished difference Result 2500 states and 3443 transitions. [2021-11-13 02:43:35,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:35,410 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 [2021-11-13 02:43:35,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:35,431 INFO L225 Difference]: With dead ends: 2500 [2021-11-13 02:43:35,431 INFO L226 Difference]: Without dead ends: 2498 [2021-11-13 02:43:35,434 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 [2021-11-13 02:43:35,435 INFO L933 BasicCegarLoop]: 1820 mSDtfsCounter, 1711 mSDsluCounter, 3636 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.14ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:35,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1713 Valid, 5456 Invalid, 2 Unknown, 0 Unchecked, 12.00ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.14ms Time] [2021-11-13 02:43:35,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-11-13 02:43:35,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2021-11-13 02:43:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1638 states have (on average 1.2417582417582418) internal successors, (2034), 1689 states have internal predecessors, (2034), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3441 transitions. [2021-11-13 02:43:35,738 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3441 transitions. Word has length 126 [2021-11-13 02:43:35,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:35,738 INFO L470 AbstractCegarLoop]: Abstraction has 2498 states and 3441 transitions. [2021-11-13 02:43:35,739 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) [2021-11-13 02:43:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3441 transitions. [2021-11-13 02:43:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-13 02:43:35,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:35,742 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] [2021-11-13 02:43:35,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:35,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:35,970 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:35,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1663220888, now seen corresponding path program 1 times [2021-11-13 02:43:35,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:35,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502675395] [2021-11-13 02:43:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:35,975 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:35,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:35,976 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:35,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 02:43:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:41,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:43:41,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:42,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:43:43,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:43,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502675395] [2021-11-13 02:43:43,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502675395] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:43,274 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:43,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:43:43,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130163724] [2021-11-13 02:43:43,275 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:43,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:43,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:43,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:43,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:43:43,277 INFO L87 Difference]: Start difference. First operand 2498 states and 3441 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) [2021-11-13 02:43:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:43,538 INFO L93 Difference]: Finished difference Result 2498 states and 3441 transitions. [2021-11-13 02:43:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:43,539 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 [2021-11-13 02:43:43,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:43,556 INFO L225 Difference]: With dead ends: 2498 [2021-11-13 02:43:43,557 INFO L226 Difference]: Without dead ends: 2496 [2021-11-13 02:43:43,559 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 [2021-11-13 02:43:43,560 INFO L933 BasicCegarLoop]: 1818 mSDtfsCounter, 1706 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.13ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.53ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:43,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1708 Valid, 3634 Invalid, 2 Unknown, 0 Unchecked, 9.13ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.53ms Time] [2021-11-13 02:43:43,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-11-13 02:43:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2496. [2021-11-13 02:43:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1637 states have (on average 1.2412950519242516) internal successors, (2032), 1687 states have internal predecessors, (2032), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-13 02:43:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3439 transitions. [2021-11-13 02:43:43,797 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3439 transitions. Word has length 132 [2021-11-13 02:43:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:43,798 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 3439 transitions. [2021-11-13 02:43:43,798 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) [2021-11-13 02:43:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3439 transitions. [2021-11-13 02:43:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-13 02:43:43,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:43,801 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2021-11-13 02:43:43,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:44,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:44,020 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:43:44,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:44,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1648375531, now seen corresponding path program 1 times [2021-11-13 02:43:44,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:44,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090979257] [2021-11-13 02:43:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:44,028 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:44,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:44,029 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:44,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 02:43:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:50,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 02:43:50,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:43:51,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-13 02:43:53,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:53,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090979257] [2021-11-13 02:43:53,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090979257] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:43:53,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [692586630] [2021-11-13 02:43:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:53,030 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:43:53,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:43:53,037 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:43:53,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-13 02:43:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:56,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:43:56,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-13 02:43:56,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-13 02:43:56,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [692586630] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:56,886 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:43:56,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8, 8] total 12 [2021-11-13 02:43:56,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998450549] [2021-11-13 02:43:56,886 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:56,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:43:56,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:56,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:43:56,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-13 02:43:56,888 INFO L87 Difference]: Start difference. First operand 2496 states and 3439 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-11-13 02:43:58,945 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 [] [2021-11-13 02:44:01,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:44:02,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:44:04,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:04,992 INFO L93 Difference]: Finished difference Result 7819 states and 11186 transitions. [2021-11-13 02:44:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:44:04,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 142 [2021-11-13 02:44:04,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:05,029 INFO L225 Difference]: With dead ends: 7819 [2021-11-13 02:44:05,030 INFO L226 Difference]: Without dead ends: 5342 [2021-11-13 02:44:05,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:44:05,050 INFO L933 BasicCegarLoop]: 2982 mSDtfsCounter, 2291 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 933 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6993.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2484 SdHoareTripleChecker+Valid, 9898 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.91ms SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7320.18ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:05,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2484 Valid, 9898 Invalid, 987 Unknown, 0 Unchecked, 34.91ms Time], IncrementalHoareTripleChecker [933 Valid, 52 Invalid, 2 Unknown, 0 Unchecked, 7320.18ms Time] [2021-11-13 02:44:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2021-11-13 02:44:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 2516. [2021-11-13 02:44:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1655 states have (on average 1.2410876132930513) internal successors, (2054), 1705 states have internal predecessors, (2054), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:44:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3465 transitions. [2021-11-13 02:44:05,484 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3465 transitions. Word has length 142 [2021-11-13 02:44:05,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:05,485 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3465 transitions. [2021-11-13 02:44:05,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-11-13 02:44:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3465 transitions. [2021-11-13 02:44:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 02:44:05,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:05,489 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 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] [2021-11-13 02:44:05,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:05,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:05,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 02:44:05,890 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:44:05,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:05,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1820568966, now seen corresponding path program 1 times [2021-11-13 02:44:05,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:05,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908293901] [2021-11-13 02:44:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:05,901 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:05,902 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:05,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 02:44:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:12,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2994 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 02:44:12,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:44:13,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-13 02:44:14,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:14,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908293901] [2021-11-13 02:44:14,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908293901] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:44:14,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [720377771] [2021-11-13 02:44:14,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:14,307 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:44:14,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:44:14,308 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:44:14,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-13 02:44:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:17,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2994 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 02:44:17,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:18,069 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-13 02:44:18,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-13 02:44:18,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [720377771] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:44:18,830 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:44:18,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8, 8] total 15 [2021-11-13 02:44:18,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426814529] [2021-11-13 02:44:18,831 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:44:18,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:44:18,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:44:18,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:44:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:44:18,832 INFO L87 Difference]: Start difference. First operand 2516 states and 3465 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 02:44:21,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:44:23,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:44:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:26,173 INFO L93 Difference]: Finished difference Result 5445 states and 7564 transitions. [2021-11-13 02:44:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:44:26,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2021-11-13 02:44:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:26,188 INFO L225 Difference]: With dead ends: 5445 [2021-11-13 02:44:26,189 INFO L226 Difference]: Without dead ends: 2948 [2021-11-13 02:44:26,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-13 02:44:26,202 INFO L933 BasicCegarLoop]: 2051 mSDtfsCounter, 415 mSDsluCounter, 7779 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 326 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6559.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 9830 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.14ms SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6745.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:26,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 9830 Invalid, 416 Unknown, 0 Unchecked, 17.14ms Time], IncrementalHoareTripleChecker [326 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 6745.80ms Time] [2021-11-13 02:44:26,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2948 states. [2021-11-13 02:44:26,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2948 to 2522. [2021-11-13 02:44:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 1661 states have (on average 1.2402167369054786) internal successors, (2060), 1711 states have internal predecessors, (2060), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:44:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3471 transitions. [2021-11-13 02:44:26,528 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3471 transitions. Word has length 144 [2021-11-13 02:44:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:26,529 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 3471 transitions. [2021-11-13 02:44:26,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 02:44:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3471 transitions. [2021-11-13 02:44:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 02:44:26,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:26,533 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] [2021-11-13 02:44:26,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:26,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:26,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:44:26,951 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:44:26,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:26,952 INFO L85 PathProgramCache]: Analyzing trace with hash -950824863, now seen corresponding path program 1 times [2021-11-13 02:44:26,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:26,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788021295] [2021-11-13 02:44:26,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:26,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:26,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:26,958 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 02:44:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:32,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 2700 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:44:32,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:44:33,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:44:34,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:34,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788021295] [2021-11-13 02:44:34,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788021295] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:44:34,682 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:44:34,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:44:34,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509940536] [2021-11-13 02:44:34,683 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:44:34,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:44:34,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:44:34,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:44:34,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:44:34,684 INFO L87 Difference]: Start difference. First operand 2522 states and 3471 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) [2021-11-13 02:44:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:34,962 INFO L93 Difference]: Finished difference Result 2522 states and 3471 transitions. [2021-11-13 02:44:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:44:34,963 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 [2021-11-13 02:44:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:34,973 INFO L225 Difference]: With dead ends: 2522 [2021-11-13 02:44:34,974 INFO L226 Difference]: Without dead ends: 2520 [2021-11-13 02:44:34,976 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 [2021-11-13 02:44:34,976 INFO L933 BasicCegarLoop]: 1816 mSDtfsCounter, 1698 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.13ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:34,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1700 Valid, 3630 Invalid, 2 Unknown, 0 Unchecked, 7.32ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.13ms Time] [2021-11-13 02:44:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2021-11-13 02:44:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2520. [2021-11-13 02:44:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1660 states have (on average 1.2397590361445783) internal successors, (2058), 1709 states have internal predecessors, (2058), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:44:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3469 transitions. [2021-11-13 02:44:35,378 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3469 transitions. Word has length 138 [2021-11-13 02:44:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:35,381 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3469 transitions. [2021-11-13 02:44:35,381 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) [2021-11-13 02:44:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3469 transitions. [2021-11-13 02:44:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 02:44:35,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:35,386 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] [2021-11-13 02:44:35,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:35,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:44:35,606 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:44:35,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2010206249, now seen corresponding path program 1 times [2021-11-13 02:44:35,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:35,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860378110] [2021-11-13 02:44:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:35,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:35,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:35,611 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:35,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 02:44:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:41,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 2709 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:44:41,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:44:42,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:44:43,298 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:43,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860378110] [2021-11-13 02:44:43,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860378110] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:44:43,298 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:44:43,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 02:44:43,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53000848] [2021-11-13 02:44:43,299 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:44:43,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:44:43,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:44:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:44:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:44:43,301 INFO L87 Difference]: Start difference. First operand 2520 states and 3469 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) [2021-11-13 02:44:43,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:43,603 INFO L93 Difference]: Finished difference Result 2520 states and 3469 transitions. [2021-11-13 02:44:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:44:43,603 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 [2021-11-13 02:44:43,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:43,614 INFO L225 Difference]: With dead ends: 2520 [2021-11-13 02:44:43,614 INFO L226 Difference]: Without dead ends: 2518 [2021-11-13 02:44:43,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:44:43,617 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 1756 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.84ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:43,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1758 Valid, 3626 Invalid, 25 Unknown, 0 Unchecked, 7.84ms Time], IncrementalHoareTripleChecker [23 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 34.81ms Time] [2021-11-13 02:44:43,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-13 02:44:43,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2021-11-13 02:44:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1659 states have (on average 1.239300783604581) internal successors, (2056), 1707 states have internal predecessors, (2056), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:44:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3467 transitions. [2021-11-13 02:44:43,987 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3467 transitions. Word has length 144 [2021-11-13 02:44:43,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:43,988 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3467 transitions. [2021-11-13 02:44:43,988 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) [2021-11-13 02:44:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3467 transitions. [2021-11-13 02:44:43,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-13 02:44:43,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:43,992 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:44:44,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:44,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:44:44,206 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:44:44,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1675064450, now seen corresponding path program 1 times [2021-11-13 02:44:44,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:44,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776492634] [2021-11-13 02:44:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:44,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:44,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:44,215 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:44,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 02:44:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:50,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 02:44:50,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-13 02:44:51,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-13 02:44:52,825 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:52,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776492634] [2021-11-13 02:44:52,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776492634] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:44:52,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008363402] [2021-11-13 02:44:52,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:52,826 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:44:52,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:44:52,827 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:44:52,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-13 02:45:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:01,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 02:45:01,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-13 02:45:02,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-13 02:45:03,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2008363402] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:45:03,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:45:03,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-13 02:45:03,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649849617] [2021-11-13 02:45:03,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:03,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:45:03,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:03,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:45:03,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-13 02:45:03,100 INFO L87 Difference]: Start difference. First operand 2518 states and 3467 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 02:45:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:03,590 INFO L93 Difference]: Finished difference Result 5103 states and 7047 transitions. [2021-11-13 02:45:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:45:03,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 165 [2021-11-13 02:45:03,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:03,604 INFO L225 Difference]: With dead ends: 5103 [2021-11-13 02:45:03,605 INFO L226 Difference]: Without dead ends: 2602 [2021-11-13 02:45:03,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 645 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:45:03,617 INFO L933 BasicCegarLoop]: 1950 mSDtfsCounter, 539 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 9002 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.39ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:03,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [742 Valid, 9002 Invalid, 12 Unknown, 0 Unchecked, 14.50ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 75.39ms Time] [2021-11-13 02:45:03,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2021-11-13 02:45:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2518. [2021-11-13 02:45:04,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1659 states have (on average 1.2386980108499095) internal successors, (2055), 1706 states have internal predecessors, (2055), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:45:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3466 transitions. [2021-11-13 02:45:04,022 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3466 transitions. Word has length 165 [2021-11-13 02:45:04,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:04,023 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3466 transitions. [2021-11-13 02:45:04,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-13 02:45:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3466 transitions. [2021-11-13 02:45:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 02:45:04,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:04,027 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] [2021-11-13 02:45:04,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:04,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:04,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:04,454 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:45:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1934927287, now seen corresponding path program 1 times [2021-11-13 02:45:04,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:04,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40960495] [2021-11-13 02:45:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:04,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:04,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:04,464 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:04,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 02:45:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:10,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2718 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:45:10,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:45:11,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:45:12,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:45:12,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40960495] [2021-11-13 02:45:12,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40960495] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:45:12,343 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:45:12,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:45:12,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253985383] [2021-11-13 02:45:12,344 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:12,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:45:12,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:12,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:45:12,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:45:12,346 INFO L87 Difference]: Start difference. First operand 2518 states and 3466 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) [2021-11-13 02:45:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:12,613 INFO L93 Difference]: Finished difference Result 2518 states and 3466 transitions. [2021-11-13 02:45:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:45:12,613 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 [2021-11-13 02:45:12,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:12,622 INFO L225 Difference]: With dead ends: 2518 [2021-11-13 02:45:12,622 INFO L226 Difference]: Without dead ends: 2516 [2021-11-13 02:45:12,624 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 [2021-11-13 02:45:12,625 INFO L933 BasicCegarLoop]: 1811 mSDtfsCounter, 1678 mSDsluCounter, 3618 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.50ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:12,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1680 Valid, 5429 Invalid, 2 Unknown, 0 Unchecked, 8.57ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.50ms Time] [2021-11-13 02:45:12,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-13 02:45:13,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2021-11-13 02:45:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.238238841978287) internal successors, (2053), 1704 states have internal predecessors, (2053), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:45:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3464 transitions. [2021-11-13 02:45:13,047 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3464 transitions. Word has length 150 [2021-11-13 02:45:13,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:13,048 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3464 transitions. [2021-11-13 02:45:13,048 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) [2021-11-13 02:45:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3464 transitions. [2021-11-13 02:45:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 02:45:13,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:13,060 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:45:13,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:13,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:13,273 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:45:13,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:13,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1293760191, now seen corresponding path program 1 times [2021-11-13 02:45:13,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:13,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970473675] [2021-11-13 02:45:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:13,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:13,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:13,280 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:13,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 02:45:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:20,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 3052 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:45:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-13 02:45:20,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-13 02:45:21,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:45:21,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970473675] [2021-11-13 02:45:21,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970473675] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:45:21,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:45:21,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-13 02:45:21,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017484431] [2021-11-13 02:45:21,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:21,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:45:21,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:21,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:45:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:45:21,964 INFO L87 Difference]: Start difference. First operand 2516 states and 3464 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-13 02:45:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:25,262 INFO L93 Difference]: Finished difference Result 5103 states and 7048 transitions. [2021-11-13 02:45:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:45:25,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 169 [2021-11-13 02:45:25,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:25,276 INFO L225 Difference]: With dead ends: 5103 [2021-11-13 02:45:25,276 INFO L226 Difference]: Without dead ends: 2606 [2021-11-13 02:45:25,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:45:25,289 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 532 mSDsluCounter, 7021 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2792.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 8963 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2877.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:25,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 8963 Invalid, 93 Unknown, 0 Unchecked, 16.90ms Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 2877.80ms Time] [2021-11-13 02:45:25,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2021-11-13 02:45:25,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2516. [2021-11-13 02:45:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.2370325693606754) internal successors, (2051), 1704 states have internal predecessors, (2051), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:45:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3462 transitions. [2021-11-13 02:45:25,693 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3462 transitions. Word has length 169 [2021-11-13 02:45:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:25,693 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3462 transitions. [2021-11-13 02:45:25,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-13 02:45:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3462 transitions. [2021-11-13 02:45:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 02:45:25,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:25,697 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:45:25,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:25,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:25,914 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:45:25,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:25,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2064493757, now seen corresponding path program 1 times [2021-11-13 02:45:25,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:25,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527163984] [2021-11-13 02:45:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:25,922 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:25,923 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 02:45:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:32,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 3052 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 02:45:32,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-13 02:45:33,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-13 02:45:34,187 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:45:34,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527163984] [2021-11-13 02:45:34,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527163984] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:45:34,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:45:34,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-13 02:45:34,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121792942] [2021-11-13 02:45:34,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:34,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:45:34,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:45:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:45:34,189 INFO L87 Difference]: Start difference. First operand 2516 states and 3462 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:45:36,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:45:38,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:45:40,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:45:42,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:45:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:43,059 INFO L93 Difference]: Finished difference Result 5263 states and 7272 transitions. [2021-11-13 02:45:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:45:43,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 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 169 [2021-11-13 02:45:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:43,071 INFO L225 Difference]: With dead ends: 5263 [2021-11-13 02:45:43,071 INFO L226 Difference]: Without dead ends: 2766 [2021-11-13 02:45:43,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:45:43,083 INFO L933 BasicCegarLoop]: 2013 mSDtfsCounter, 530 mSDsluCounter, 7307 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8376.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 9320 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8467.58ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:43,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 9320 Invalid, 99 Unknown, 0 Unchecked, 14.91ms Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 8467.58ms Time] [2021-11-13 02:45:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2021-11-13 02:45:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2516. [2021-11-13 02:45:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.235826296743064) internal successors, (2049), 1704 states have internal predecessors, (2049), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-13 02:45:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3460 transitions. [2021-11-13 02:45:43,493 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3460 transitions. Word has length 169 [2021-11-13 02:45:43,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:43,494 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3460 transitions. [2021-11-13 02:45:43,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:45:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3460 transitions. [2021-11-13 02:45:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 02:45:43,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:43,497 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:45:43,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:43,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:43,720 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:45:43,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:43,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1721000449, now seen corresponding path program 1 times [2021-11-13 02:45:43,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:43,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428373681] [2021-11-13 02:45:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:43,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:43,726 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:43,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 02:45:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:50,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 3052 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:45:50,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 02:45:50,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 02:45:51,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:45:51,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428373681] [2021-11-13 02:45:51,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428373681] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:45:51,426 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:45:51,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:45:51,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075583322] [2021-11-13 02:45:51,427 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:51,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:45:51,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:51,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:45:51,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:45:51,428 INFO L87 Difference]: Start difference. First operand 2516 states and 3460 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-11-13 02:45:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:53,936 INFO L93 Difference]: Finished difference Result 7385 states and 10507 transitions. [2021-11-13 02:45:53,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:45:53,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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 169 [2021-11-13 02:45:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:53,958 INFO L225 Difference]: With dead ends: 7385 [2021-11-13 02:45:53,958 INFO L226 Difference]: Without dead ends: 4888 [2021-11-13 02:45:53,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:45:53,972 INFO L933 BasicCegarLoop]: 2802 mSDtfsCounter, 1584 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1584.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 5291 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.29ms SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1794.58ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:53,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1984 Valid, 5291 Invalid, 410 Unknown, 0 Unchecked, 15.29ms Time], IncrementalHoareTripleChecker [202 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 1794.58ms Time] [2021-11-13 02:45:53,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2021-11-13 02:45:54,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 2526. [2021-11-13 02:45:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1666 states have (on average 1.2346938775510203) internal successors, (2057), 1712 states have internal predecessors, (2057), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:45:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3472 transitions. [2021-11-13 02:45:54,527 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3472 transitions. Word has length 169 [2021-11-13 02:45:54,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:54,527 INFO L470 AbstractCegarLoop]: Abstraction has 2526 states and 3472 transitions. [2021-11-13 02:45:54,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-11-13 02:45:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3472 transitions. [2021-11-13 02:45:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 02:45:54,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:54,530 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:45:54,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:54,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:54,738 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:45:54,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:54,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1380699275, now seen corresponding path program 1 times [2021-11-13 02:45:54,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:54,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380334421] [2021-11-13 02:45:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:54,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:54,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:54,744 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:54,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 02:46:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:46:01,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 3036 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:46:01,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:46:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 02:46:02,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:46:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 02:46:03,148 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:46:03,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380334421] [2021-11-13 02:46:03,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380334421] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:46:03,148 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:46:03,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-13 02:46:03,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799561202] [2021-11-13 02:46:03,149 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:46:03,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:46:03,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:46:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:46:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:46:03,151 INFO L87 Difference]: Start difference. First operand 2526 states and 3472 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2021-11-13 02:46:05,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:07,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:10,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:12,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:14,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:16,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:19,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:21,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:26,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:27,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:28,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:31,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:32,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:36,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:38,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:40,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:42,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:44,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:53,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:57,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:46:59,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:04,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:06,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:08,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:08,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:47:08,806 INFO L93 Difference]: Finished difference Result 5087 states and 7004 transitions. [2021-11-13 02:47:08,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:47:08,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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 173 [2021-11-13 02:47:08,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:47:08,821 INFO L225 Difference]: With dead ends: 5087 [2021-11-13 02:47:08,821 INFO L226 Difference]: Without dead ends: 2580 [2021-11-13 02:47:08,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:47:08,830 INFO L933 BasicCegarLoop]: 1829 mSDtfsCounter, 47 mSDsluCounter, 6761 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 5 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63520.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 8590 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.05ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65206.53ms IncrementalHoareTripleChecker+Time [2021-11-13 02:47:08,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 8590 Invalid, 582 Unknown, 0 Unchecked, 22.05ms Time], IncrementalHoareTripleChecker [5 Valid, 561 Invalid, 16 Unknown, 0 Unchecked, 65206.53ms Time] [2021-11-13 02:47:08,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-11-13 02:47:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2530. [2021-11-13 02:47:09,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 1670 states have (on average 1.2353293413173652) internal successors, (2063), 1716 states have internal predecessors, (2063), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:47:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3478 transitions. [2021-11-13 02:47:09,369 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3478 transitions. Word has length 173 [2021-11-13 02:47:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:47:09,370 INFO L470 AbstractCegarLoop]: Abstraction has 2530 states and 3478 transitions. [2021-11-13 02:47:09,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2021-11-13 02:47:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3478 transitions. [2021-11-13 02:47:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 02:47:09,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:47:09,375 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:47:09,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 02:47:09,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:47:09,602 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:47:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:47:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1403331529, now seen corresponding path program 1 times [2021-11-13 02:47:09,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:47:09,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73558250] [2021-11-13 02:47:09,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:47:09,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:47:09,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:47:09,609 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:47:09,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 02:47:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:47:17,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 3034 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:47:17,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:47:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 02:47:17,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:47:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 02:47:18,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:47:18,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73558250] [2021-11-13 02:47:18,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73558250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:47:18,386 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:47:18,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:47:18,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616582157] [2021-11-13 02:47:18,387 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:47:18,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:47:18,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:47:18,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:47:18,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:47:18,389 INFO L87 Difference]: Start difference. First operand 2530 states and 3478 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-13 02:47:20,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:47:20,832 INFO L93 Difference]: Finished difference Result 5043 states and 6933 transitions. [2021-11-13 02:47:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:47:20,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 173 [2021-11-13 02:47:20,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:47:20,847 INFO L225 Difference]: With dead ends: 5043 [2021-11-13 02:47:20,847 INFO L226 Difference]: Without dead ends: 2532 [2021-11-13 02:47:20,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:47:20,859 INFO L933 BasicCegarLoop]: 1810 mSDtfsCounter, 0 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2089.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3614 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2112.52ms IncrementalHoareTripleChecker+Time [2021-11-13 02:47:20,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3614 Invalid, 7 Unknown, 0 Unchecked, 5.61ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2112.52ms Time] [2021-11-13 02:47:20,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2021-11-13 02:47:21,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 2532. [2021-11-13 02:47:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 1672 states have (on average 1.2350478468899522) internal successors, (2065), 1718 states have internal predecessors, (2065), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:47:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3480 transitions. [2021-11-13 02:47:21,389 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3480 transitions. Word has length 173 [2021-11-13 02:47:21,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:47:21,390 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3480 transitions. [2021-11-13 02:47:21,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-13 02:47:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3480 transitions. [2021-11-13 02:47:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 02:47:21,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:47:21,394 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] [2021-11-13 02:47:21,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-13 02:47:21,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:47:21,618 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:47:21,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:47:21,618 INFO L85 PathProgramCache]: Analyzing trace with hash 69681422, now seen corresponding path program 1 times [2021-11-13 02:47:21,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:47:21,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020386363] [2021-11-13 02:47:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:47:21,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:47:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:47:21,626 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:47:21,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-13 02:47:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:47:28,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2727 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:47:28,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:47:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:47:29,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:47:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:47:30,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:47:30,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020386363] [2021-11-13 02:47:30,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020386363] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:47:30,438 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:47:30,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:47:30,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658494541] [2021-11-13 02:47:30,439 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:47:30,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:47:30,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:47:30,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:47:30,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:47:30,441 INFO L87 Difference]: Start difference. First operand 2532 states and 3480 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) [2021-11-13 02:47:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:47:30,784 INFO L93 Difference]: Finished difference Result 2532 states and 3480 transitions. [2021-11-13 02:47:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:47:30,785 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 [2021-11-13 02:47:30,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:47:30,792 INFO L225 Difference]: With dead ends: 2532 [2021-11-13 02:47:30,792 INFO L226 Difference]: Without dead ends: 2530 [2021-11-13 02:47:30,794 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 [2021-11-13 02:47:30,794 INFO L933 BasicCegarLoop]: 1807 mSDtfsCounter, 1668 mSDsluCounter, 3610 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 5417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:47:30,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1670 Valid, 5417 Invalid, 2 Unknown, 0 Unchecked, 9.47ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.80ms Time] [2021-11-13 02:47:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2021-11-13 02:47:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2530. [2021-11-13 02:47:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 1671 states have (on average 1.234590065828845) internal successors, (2063), 1716 states have internal predecessors, (2063), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:47:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3478 transitions. [2021-11-13 02:47:31,309 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3478 transitions. Word has length 156 [2021-11-13 02:47:31,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:47:31,310 INFO L470 AbstractCegarLoop]: Abstraction has 2530 states and 3478 transitions. [2021-11-13 02:47:31,310 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) [2021-11-13 02:47:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3478 transitions. [2021-11-13 02:47:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 02:47:31,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:47:31,314 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:47:31,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-13 02:47:31,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:47:31,530 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:47:31,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:47:31,530 INFO L85 PathProgramCache]: Analyzing trace with hash 186365383, now seen corresponding path program 1 times [2021-11-13 02:47:31,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:47:31,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668599844] [2021-11-13 02:47:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:47:31,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:47:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:47:31,538 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:47:31,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-13 02:47:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:47:39,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 3040 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:47:39,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:47:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 02:47:40,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:47:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-13 02:47:40,463 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:47:40,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668599844] [2021-11-13 02:47:40,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668599844] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:47:40,464 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:47:40,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 02:47:40,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178933561] [2021-11-13 02:47:40,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:47:40,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:47:40,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:47:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:47:40,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:47:40,465 INFO L87 Difference]: Start difference. First operand 2530 states and 3478 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 02:47:42,519 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 [] [2021-11-13 02:47:45,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:47,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:47:48,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:47:48,888 INFO L93 Difference]: Finished difference Result 7921 states and 11285 transitions. [2021-11-13 02:47:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:47:48,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 175 [2021-11-13 02:47:48,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:47:48,903 INFO L225 Difference]: With dead ends: 7921 [2021-11-13 02:47:48,903 INFO L226 Difference]: Without dead ends: 5410 [2021-11-13 02:47:48,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:47:48,912 INFO L933 BasicCegarLoop]: 3021 mSDtfsCounter, 2255 mSDsluCounter, 6857 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 928 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7155.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 9878 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.25ms SdHoareTripleChecker+Time, 928 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7442.70ms IncrementalHoareTripleChecker+Time [2021-11-13 02:47:48,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2447 Valid, 9878 Invalid, 981 Unknown, 0 Unchecked, 21.25ms Time], IncrementalHoareTripleChecker [928 Valid, 50 Invalid, 3 Unknown, 0 Unchecked, 7442.70ms Time] [2021-11-13 02:47:48,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2021-11-13 02:47:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 2534. [2021-11-13 02:47:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1675 states have (on average 1.2340298507462686) internal successors, (2067), 1720 states have internal predecessors, (2067), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:47:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3482 transitions. [2021-11-13 02:47:49,337 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3482 transitions. Word has length 175 [2021-11-13 02:47:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:47:49,338 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 3482 transitions. [2021-11-13 02:47:49,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-13 02:47:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3482 transitions. [2021-11-13 02:47:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 02:47:49,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:47:49,343 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:47:49,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-13 02:47:49,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:47:49,570 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:47:49,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:47:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 609067209, now seen corresponding path program 1 times [2021-11-13 02:47:49,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:47:49,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604425254] [2021-11-13 02:47:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:47:49,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:47:49,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:47:49,577 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:47:49,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-13 02:47:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:47:57,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 02:47:57,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:47:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-13 02:47:58,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:47:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-13 02:47:59,035 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:47:59,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604425254] [2021-11-13 02:47:59,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604425254] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:47:59,036 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:47:59,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-13 02:47:59,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857424705] [2021-11-13 02:47:59,036 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:47:59,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:47:59,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:47:59,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:47:59,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:47:59,038 INFO L87 Difference]: Start difference. First operand 2534 states and 3482 transitions. Second operand has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-13 02:48:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:48:00,424 INFO L93 Difference]: Finished difference Result 5049 states and 6946 transitions. [2021-11-13 02:48:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:48:00,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 175 [2021-11-13 02:48:00,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:48:00,441 INFO L225 Difference]: With dead ends: 5049 [2021-11-13 02:48:00,441 INFO L226 Difference]: Without dead ends: 2534 [2021-11-13 02:48:00,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:48:00,452 INFO L933 BasicCegarLoop]: 1791 mSDtfsCounter, 14 mSDsluCounter, 10695 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 932.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12486 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.87ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 978.58ms IncrementalHoareTripleChecker+Time [2021-11-13 02:48:00,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 12486 Invalid, 145 Unknown, 0 Unchecked, 16.87ms Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 32 Unchecked, 978.58ms Time] [2021-11-13 02:48:00,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2021-11-13 02:48:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2534. [2021-11-13 02:48:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1675 states have (on average 1.2328358208955223) internal successors, (2065), 1720 states have internal predecessors, (2065), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-13 02:48:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3480 transitions. [2021-11-13 02:48:00,839 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3480 transitions. Word has length 175 [2021-11-13 02:48:00,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:48:00,840 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 3480 transitions. [2021-11-13 02:48:00,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-13 02:48:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3480 transitions. [2021-11-13 02:48:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-13 02:48:00,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:48:00,844 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:48:00,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-13 02:48:01,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:48:01,070 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-13 02:48:01,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:48:01,070 INFO L85 PathProgramCache]: Analyzing trace with hash 216040199, now seen corresponding path program 1 times [2021-11-13 02:48:01,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:48:01,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482601545] [2021-11-13 02:48:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:48:01,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:48:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:48:01,077 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:48:01,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f51ade7-c119-48ee-90a2-26e62d2b0f6d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process